chore(bazel): update version of Protobuf to v3.20.1 (#861)

- [ ] Regenerate this pull request now.

PiperOrigin-RevId: 444328399

Source-Link: googleapis/googleapis@c7ca416

Source-Link: https://github.com/googleapis/googleapis-gen/commit/d61705453a62b3ecda78aa30c192840ebc5a8a90
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feat: add reserved_ip_ranges to CustomJobSpec in aiplatform v1 custom_job.proto
feat: add nfs_mounts to WorkPoolSpec in aiplatform v1 custom_job.proto
feat: add JOB_STATE_UPDATING to JobState in aiplatform v1 job_state.proto
feat: add MfsMount in aiplatform v1 machine_resources.proto
feat: add ConvexAutomatedStoppingSpec to StudySpec in aiplatform v1 study.proto

BREAKING CHANGE: (php) remove several `REQUIRED` field annotations in featurestore.proto, metadata.proto, and pipeline_job.proto

PiperOrigin-RevId: 441616654

Source-Link: googleapis/googleapis@a476b9f

Source-Link: https://github.com/googleapis/googleapis-gen/commit/ed936e905212e50feb8629121df7be9430dbd8aa
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feat: rename Similarity to Examples, and similarity to examples in ExplanationParameters in aiplatform v1beta1 explanation.proto
feat: add reserved_ip_ranges to CustomJobSpec in aiplatform v1beta1 custom_job.proto
feat: add nfs_mounts to WorkPoolSpec in aiplatform v1beta1 custom_job.proto
feat: add PredictRequestResponseLoggingConfig to aiplatform v1beta1 endpoint.proto
feat: add model_version_id to DeployedModel in aiplatform v1beta1 endpoint.proto
feat: add JOB_STATE_UPDATING to JobState in aiplatform v1beta1 job_state.proto
feat: add MfsMount in aiplatform v1beta1 machine_resources.proto
feat: add version_id to Model in aiplatform v1beta1 model.proto
feat: add LatestMonitoringPipelineMetadata to ModelDeploymentMonitoringJob in aiplatform v1beta1 model_deployment_monitoring_job.proto
feat: add ListModelVersion, DeleteModelVersion, and MergeVersionAliases rpcs to aiplatform v1beta1 model_service.proto
feat: add model_version_id to UploadModelRequest and UploadModelResponse in aiplatform v1beta1 model_service.proto
feat: add model_version_id to PredictResponse in aiplatform v1beta1 prediction_service.proto
feat: add ConvexAutomatedStoppingSpec to StudySpec in aiplatform v1beta1 study.proto
feat: add model_id and parent_model to TrainingPipeline in aiplatform v1beta1 training_pipeline.proto

feat: remove several `REQUIRED` field annotations in featurestore.proto, metadata.proto, and pipeline_job.proto

PiperOrigin-RevId: 441615103

Source-Link: googleapis/googleapis@2ce1c56

Source-Link: https://github.com/googleapis/googleapis-gen/commit/54ad5302681697d4e45be69069322d9328b58580
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google-cloud-aiplatform/src/main/java/com/google/cloud/aiplatform/v1/MetadataServiceClient.java

@@ -1083,7 +1083,7 @@ public final UnaryCallable<ListArtifactsRequest, ListArtifactsResponse> listArti
    *     [Artifact.name][google.cloud.aiplatform.v1.Artifact.name] field is used to identify the
    *     Artifact to be updated. Format:
    *     `projects/{project}/locations/{location}/metadataStores/{metadatastore}/artifacts/{artifact}`
-   * @param updateMask Required. A FieldMask indicating which fields should be updated.
+   * @param updateMask Optional. A FieldMask indicating which fields should be updated.
    *     Functionality of this field is not yet supported.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1788,7 +1788,7 @@ public final UnaryCallable<ListContextsRequest, ListContextsResponse> listContex
    *     [Context.name][google.cloud.aiplatform.v1.Context.name] field is used to identify the
    *     Context to be updated. Format:
    *     `projects/{project}/locations/{location}/metadataStores/{metadatastore}/contexts/{context}`
-   * @param updateMask Required. A FieldMask indicating which fields should be updated.
+   * @param updateMask Optional. A FieldMask indicating which fields should be updated.
    *     Functionality of this field is not yet supported.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2880,7 +2880,7 @@ public final ListExecutionsPagedResponse listExecutions(ListExecutionsRequest re
    *     [Execution.name][google.cloud.aiplatform.v1.Execution.name] field is used to identify the
    *     Execution to be updated. Format:
    *     `projects/{project}/locations/{location}/metadataStores/{metadatastore}/executions/{execution}`
-   * @param updateMask Required. A FieldMask indicating which fields should be updated.
+   * @param updateMask Optional. A FieldMask indicating which fields should be updated.
    *     Functionality of this field is not yet supported.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */

google-cloud-aiplatform/src/main/java/com/google/cloud/aiplatform/v1/ModelServiceClient.java

@@ -539,7 +539,18 @@ public final UnaryCallable<ListModelsRequest, ListModelsResponse> listModelsCall
    * }
    * }</pre>
    *
-   * @param model Required. The Model which replaces the resource on the server.
+   * @param model Required. The Model which replaces the resource on the server. When Model
+   *     Versioning is enabled, the model.name will be used to determine whether to update the model
+   *     or model version. 1. model.name with the {@literal @} value, e.g. models/123{@literal @}1,
+   *     refers to a version specific update. 2. model.name without the {@literal @} value, e.g.
+   *     models/123, refers to a model update. 3. model.name with {@literal @}-, e.g.
+   *     models/123{@literal @}-, refers to a model update. 4. Supported model fields: display_name,
+   *     description; supported version-specific fields: version_description. Labels are supported
+   *     in both scenarios. Both the model labels and the version labels are merged when a model is
+   *     returned. When updating labels, if the request is for model-specific update, model label
+   *     gets updated. Otherwise, version labels get updated. 5. A model name or model version name
+   *     fields update mismatch will cause a precondition error. 6. One request cannot update both
+   *     the model and the version fields. You must update them separately.
    * @param updateMask Required. The update mask applies to the resource. For the `FieldMask`
    *     definition, see [google.protobuf.FieldMask][google.protobuf.FieldMask].
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails

google-cloud-aiplatform/src/main/java/com/google/cloud/aiplatform/v1beta1/MetadataServiceClient.java

@@ -1084,7 +1084,7 @@ public final UnaryCallable<ListArtifactsRequest, ListArtifactsResponse> listArti
    *     [Artifact.name][google.cloud.aiplatform.v1beta1.Artifact.name] field is used to identify
    *     the Artifact to be updated. Format:
    *     `projects/{project}/locations/{location}/metadataStores/{metadatastore}/artifacts/{artifact}`
-   * @param updateMask Required. A FieldMask indicating which fields should be updated.
+   * @param updateMask Optional. A FieldMask indicating which fields should be updated.
    *     Functionality of this field is not yet supported.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -1789,7 +1789,7 @@ public final UnaryCallable<ListContextsRequest, ListContextsResponse> listContex
    *     [Context.name][google.cloud.aiplatform.v1beta1.Context.name] field is used to identify the
    *     Context to be updated. Format:
    *     `projects/{project}/locations/{location}/metadataStores/{metadatastore}/contexts/{context}`
-   * @param updateMask Required. A FieldMask indicating which fields should be updated.
+   * @param updateMask Optional. A FieldMask indicating which fields should be updated.
    *     Functionality of this field is not yet supported.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */
@@ -2881,7 +2881,7 @@ public final ListExecutionsPagedResponse listExecutions(ListExecutionsRequest re
    *     [Execution.name][google.cloud.aiplatform.v1beta1.Execution.name] field is used to identify
    *     the Execution to be updated. Format:
    *     `projects/{project}/locations/{location}/metadataStores/{metadatastore}/executions/{execution}`
-   * @param updateMask Required. A FieldMask indicating which fields should be updated.
+   * @param updateMask Optional. A FieldMask indicating which fields should be updated.
    *     Functionality of this field is not yet supported.
    * @throws com.google.api.gax.rpc.ApiException if the remote call fails
    */