Break docs out into own job

Author: rlepinski

.github/workflows/release.yaml

@@ -6,7 +6,7 @@ on:
       - "[0-9]+.[0-9]+.[0-9]+*"
 
 jobs:
-  build:
+  plugin:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -31,30 +31,13 @@ jobs:
           NOTES="${NOTES//$'\r'/'%0D'}"
           echo ::set-output name=NOTES::"$NOTES"
 
-      - name: Setup GCP
-        uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
-        with:
-          version: "270.0.0"
-          service_account_email: ${{ secrets.GCP_SA_EMAIL }}
-          service_account_key: ${{ secrets.GCP_SA_KEY }}
-
       - name: Build
         env:
           UNITY_USERNAME: ${{ secrets.UNITY_USERNAME }}
           UNITY_PASSWORD: ${{ secrets.UNITY_PASSWORD }}
           UNITY_SERIAL: ${{ secrets.UNITY_SERIAL }}
         run: ./scripts/docker_run.sh
 
-      - name: Set up JDK 1.8
-        uses: actions/setup-java@v1
-        with:
-          java-version: 1.8
-
-      - name: Build Docs
-        run: |
-          sudo apt-get install doxygen
-          ./gradlew docs:build
-
       - name: Create Github Release
         uses: actions/create-release@v1.0.1
         id: create_release
@@ -77,12 +60,35 @@ jobs:
           asset_name: urbanairship-${{ steps.get_version.outputs.VERSION }}.unitypackage
           asset_content_type: application/octet-stream
 
-      - name: Upload Docs
-        run: |
-          VERSION=${{ steps.get_version.outputs.VERSION }}
-          gsutil cp docs/build/$VERSION.tar.gz gs://ua-web-ci-prod-docs-transfer/libraries/unity/$VERSION.tar.gz
-
       - name: Bintray Release
         env:
           BINTRAY_AUTH: ${{ secrets.BINTRAY_AUTH }}
         run: bash ./scripts/deploy_bintray.sh ${{ steps.get_version.outputs.VERSION }}
+
+  docs:
+    runs-on: ubuntu-latest
+    needs: plugin
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Setup GCP
+        uses: GoogleCloudPlatform/github-actions/setup-gcloud@master
+        with:
+          version: "270.0.0"
+          service_account_email: ${{ secrets.GCP_SA_EMAIL }}
+          service_account_key: ${{ secrets.GCP_SA_KEY }}
+
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Build Docs
+        run: |
+          sudo apt-get install doxygen
+          ./gradlew docs:build
+
+      - name: Upload Docs
+        run: |
+          VERSION=${{ steps.get_version.outputs.VERSION }}
+          gsutil cp docs/build/$VERSION.tar.gz gs://ua-web-ci-prod-docs-transfer/libraries/unity/$VERSION.tar.gz