chore(main): release 2.3.0

[release-please]

🤖 I have created a release beep boop

2.3.0 (2022-03-03)

Features

• add symbols field, and auto-format comments (54057f6)
• add symbols field, and auto-format comments (#762) (54057f6)
• add question_id field in ReviewDocumentOperationMetadata (#742) (388a704)

Dependencies

• update actions/github-script action to v6 (#757) (3ce8bd6)
• update actions/setup-java action to v3 (#767) (eb6897d)
• update dependency com.google.cloud:google-cloud-shared-dependencies to v2.8.0 (#773) (12ce269)
• update dependency com.google.cloud:google-cloud-storage to v2.4.1 (#755) (b76f1c8)
• update dependency com.google.cloud:google-cloud-storage to v2.4.2 (#759) (e6f6d26)
• update dependency com.google.cloud:google-cloud-storage to v2.4.4 (#770) (de6eb16)

---

This PR was generated with Release Please. See documentation.

[suztomo]

https://source.cloud.google.com/results/invocations/d1a223aa-6420-4e74-a883-f30daff99316/targets/github%2Fjava-document-ai%2Fsamples%2Fsnapshot%2Ftarget%2Fsurefire-reports%2Fsamples%2Fdocumentai.v1beta2.BatchParseFormBetaTest/tests

com.google.protobuf.InvalidProtocolBufferException: Cannot find field: content in message google.cloud.documentai.v1beta2.Document.TextAnchor
	at com.google.protobuf.util.JsonFormat$ParserImpl.mergeMessage(JsonFormat.java:1500)
	at com.google.protobuf.util.JsonFormat$ParserImpl.merge(JsonFormat.java:1460)

[release-please]

🤖 Release is at https://github.com/googleapis/java-document-ai/releases/tag/v2.3.0 🌻

[release-tool-publish-reporter]

The release build has started, the log can be viewed here. 🌻

[release-tool-publish-reporter]

🥚 You hatched a release! The release build finished successfully! 💜