Bump protobuf-java from 3.21.2 to 3.21.7 in /test/fixtures/hdfs-fixtu…

…re (opensearch-project#4727)

* Bump protobuf-java from 3.21.2 to 3.21.7 in /test/fixtures/hdfs-fixture

Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.21.2 to 3.21.7.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.21.2...v3.21.7)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update changelog

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -5,6 +5,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ## [Unreleased]
 ### Dependencies
 - Bumps `gson` from 2.9.0 to 2.9.1
+- Bumps `protobuf-java` from 3.21.2 to 3.21.7
 
 ### Added
 
@@ -162,4 +163,4 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Security
 
 [Unreleased]: https://github.com/opensearch-project/OpenSearch/compare/2.2.0...HEAD
-[2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.2.0...2.x
+[2.x]: https://github.com/opensearch-project/OpenSearch/compare/2.2.0...2.x

test/fixtures/hdfs-fixture/build.gradle

@@ -46,5 +46,5 @@ dependencies {
   api "com.fasterxml.jackson.core:jackson-databind:${versions.jackson_databind}"
   api 'net.minidev:json-smart:2.4.8'
   api "org.mockito:mockito-core:${versions.mockito}"
-  api "com.google.protobuf:protobuf-java:3.21.2"
+  api "com.google.protobuf:protobuf-java:3.21.7"
 }