chore(master): release 0.4.0

[release-please]

🤖 I have created a release *beep* *boop*

0.4.0 (2021-02-23)

Features

• Update documentai/v1beta3 protos (#351) (c752c99)

Documentation

• generate sample code in the Java microgenerator (#338) (33a1eda)

Dependencies

• update dependency com.google.cloud:google-cloud-shared-dependencies to v0.19.0 (#354) (b5cc196)
• update dependency com.google.cloud:google-cloud-storage to v1.113.10 (#350) (83c52c9)

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This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

Merging #339 (5c02712) into master (b5cc196) will increase coverage by 0.43%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #339      +/-   ##
============================================
+ Coverage     68.15%   68.58%   +0.43%     
- Complexity      114      122       +8     
============================================
  Files            18       18              
  Lines           829      850      +21     
  Branches          4        4              
============================================
+ Hits            565      583      +18     
  Misses          259      259              
- Partials          5        8       +3     

Impacted Files	Coverage Δ	Complexity Δ
...mentai/v1beta3/DocumentProcessorServiceClient.java	52.94% <0.00%> (-2.38%)	19.00% <0.00%> (+4.00%)	⬇️
...ta3/stub/DocumentProcessorServiceStubSettings.java	84.86% <0.00%> (+0.20%)	14.00% <0.00%> (ø%)
...stub/DocumentUnderstandingServiceStubSettings.java	81.89% <0.00%> (+0.31%)	12.00% <0.00%> (ø%)
...stub/DocumentUnderstandingServiceStubSettings.java	81.30% <0.00%> (+0.35%)	11.00% <0.00%> (ø%)
...ta1/stub/GrpcDocumentUnderstandingServiceStub.java	79.16% <0.00%> (+0.44%)	8.00% <0.00%> (ø%)
...ta2/stub/GrpcDocumentUnderstandingServiceStub.java	85.50% <0.00%> (+0.65%)	10.00% <0.00%> (+1.00%)
...v1beta3/stub/GrpcDocumentProcessorServiceStub.java	88.17% <0.00%> (+0.67%)	11.00% <0.00%> (+1.00%)
...ai/v1beta2/DocumentUnderstandingServiceClient.java	47.05% <0.00%> (+1.60%)	9.00% <0.00%> (+1.00%)
...ai/v1beta1/DocumentUnderstandingServiceClient.java	43.75% <0.00%> (+1.81%)	7.00% <0.00%> (+1.00%)

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[yoshi-automation]

🤖 Release is at https://github.com/googleapis/java-document-ai/releases/tag/v0.4.0 🌻

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