Bump protobuf-java from 3.21.2 to 3.21.6 in /test/fixtures/hdfs-fixture#48

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dependabot/gradle/test/fixtures/hdfs-fixture/com.google.protobuf-protobuf-java-3.21.6ankitkala/OpenSearch:dependabot/gradle/test/fixtures/hdfs-fixture/com.google.protobuf-protobuf-java-3.21.6Copy head branch name to clipboard