[7.x] Bump protobuf version for repository hdfs (#104076)

This commit bumps the protobuf version for in 7.x to match the version used in main.
Main has been running this version since #92123

Author: jakelandis

docs/changelog/104076.yaml

@@ -0,0 +1,5 @@
+pr: 104076
+summary: "[7.x] Bump protobuf version"
+area: Snapshot/Restore
+type: upgrade
+issues: []

gradle/verification-metadata.xml

@@ -809,9 +809,9 @@
             <sha256 value="a204ec68748a7b26351ae37a311e8de468f248d1916d5f8dbe812c1289d0a0ff" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="com.google.protobuf" name="protobuf-java" version="3.4.0">
-         <artifact name="protobuf-java-3.4.0.jar">
-            <sha256 value="dce7e66b32456a1b1198da0caff3a8acb71548658391e798c79369241e6490a4" origin="Generated by Gradle"/>
+      <component group="com.google.protobuf" name="protobuf-java" version="3.21.9">
+         <artifact name="protobuf-java-3.21.9.jar">
+            <sha256 value="1b78b4a76a71512debfdff8f8fc5aef6bfd459f65758fecf7aff245e6e6301e4" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="com.google.protobuf" name="protobuf-java-util" version="3.17.3">

plugins/repository-hdfs/build.gradle

@@ -47,7 +47,7 @@ dependencies {
     }
     runtimeOnly "org.apache.hadoop:hadoop-client-runtime:${versions.hadoop}"
     implementation "org.apache.hadoop:hadoop-hdfs:${versions.hadoop}"
-    api 'com.google.protobuf:protobuf-java:3.4.0'
+    api 'com.google.protobuf:protobuf-java:3.21.9'
     api 'commons-logging:commons-logging:1.1.3'
     api "org.apache.logging.log4j:log4j-1.2-api:${versions.log4j}"
     api 'commons-cli:commons-cli:1.2'
@@ -306,8 +306,11 @@ tasks.named("thirdPartyAudit").configure {
     ignoreMissingClasses()
     ignoreViolations(
             // internal java api: sun.misc.Unsafe
+            'com.google.protobuf.MessageSchema',
             'com.google.protobuf.UnsafeUtil',
             'com.google.protobuf.UnsafeUtil$1',
+            'com.google.protobuf.UnsafeUtil$Android32MemoryAccessor',
+            'com.google.protobuf.UnsafeUtil$Android64MemoryAccessor',
             'com.google.protobuf.UnsafeUtil$JvmMemoryAccessor',
             'com.google.protobuf.UnsafeUtil$MemoryAccessor',
             'org.apache.hadoop.hdfs.server.datanode.checker.AbstractFuture$UnsafeAtomicHelper',

plugins/repository-hdfs/licenses/protobuf-java-3.21.9.jar.sha1

@@ -0,0 +1 @@
+ed1240d9231044ce6ccf1978512f6e44416bb7e7