Bump com.puppycrawl.tools:checkstyle from 10.21.1 to 10.21.2 (#4703)

Author: dependabot[bot]

pom.xml

@@ -62,7 +62,7 @@
     <protobuf-maven-plugin.version>0.6.1</protobuf-maven-plugin.version>
     <protoc3-maven-plugin.version>3.19.2</protoc3-maven-plugin.version>
     <protoc-gen-grpc-java-plugin.version>1.47.0</protoc-gen-grpc-java-plugin.version>
-    <puppycrawl-checkstyle.version>10.21.1</puppycrawl-checkstyle.version>
+    <puppycrawl-checkstyle.version>10.21.2</puppycrawl-checkstyle.version>
     <release-maven-plugin.version>3.1.1</release-maven-plugin.version>
     <site-maven-plugin.version>3.21.0</site-maven-plugin.version>
     <source-maven-plugin.version>3.3.0</source-maven-plugin.version>