Bump version of protobuf-java to 3.22.2

[tlfeng]

Description

There are 3 Gradle sub-projects declared protobuf-java dependency. They have got different version due to upgrade alone.
This PR will unify the version of library protobuf-java used in OpenSearch.

Changed the version for the below 3 libraries in 2 directories.
plugins/repository-gcs/build.gradle :

api 'com.google.protobuf:protobuf-java-util:3.22.2'
api 'com.google.protobuf:protobuf-java:3.22.2'

test/fixtures/hdfs-fixture/build.gradle :

api 'com.google.protobuf:protobuf-java:3.22.2'

There is another protobuf-java dependency declared in plugins/repository-hdfs/build.gradle, the version is already 3.22.2.

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass
• New functionality has been documented.
  • New functionality has javadoc added
• Commits are signed per the DCO using --signoff
• Commit changes are listed out in CHANGELOG.md file (See: Changelog)

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/13463/
• CommitID: e34628b
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: FAILURE ❌
• URL: https://build.ci.opensearch.org/job/gradle-check/13467/
• CommitID: b98ce5a
  Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green.
  Is the failure a flaky test unrelated to your change?

[github-actions]

Gradle Check (Jenkins) Run Completed with:

• RESULT: UNSTABLE ❕
• TEST FAILURES:

      1 org.opensearch.cluster.allocation.AwarenessAllocationIT.testThreeZoneOneReplicaWithForceZoneValueAndLoadAwareness

• URL: https://build.ci.opensearch.org/job/gradle-check/13621/
• CommitID: 838a479
  Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov-commenter]

Codecov Report

Merging #6994 (838a479) into main (20b3ea6) will increase coverage by 0.00%.
The diff coverage is n/a.

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@@            Coverage Diff            @@
##               main    #6994   +/-   ##
=========================================
  Coverage     70.77%   70.77%           
- Complexity    59275    59297   +22     
=========================================
  Files          4823     4823           
  Lines        283985   283985           
  Branches      40953    40953           
=========================================
+ Hits         200993   200996    +3     
- Misses        66459    66491   +32     
+ Partials      16533    16498   -35     

see 479 files with indirect coverage changes

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