Merge pull request #2480 from yue9944882/cherrypick-15/com.google.protobuf-protobuf-java-3.21.8

Cherrypick(release-15): Bump protobuf-java from 3.21.4 to 3.21.10

Author: k8s-ci-robot

pom.xml

@@ -45,7 +45,7 @@
     <snakeyaml.version>1.30</snakeyaml.version>
     <slf4j.version>1.7.36</slf4j.version>
     <caffeine.version>2.9.3</caffeine.version>
-    <protobuf.version>3.19.4</protobuf.version>
+    <protobuf.version>3.21.8</protobuf.version>
     <junit.version>4.13</junit.version>
     <bucket4j.version>7.3.0</bucket4j.version>
     <bouncycastle.version>1.70</bouncycastle.version>