Bump com.google.protobuf:protobuf-java in /lang/java (#3381)

Author: dependabot[bot]

lang/java/pom.xml

@@ -52,7 +52,7 @@
     <maven-core.version>3.9.6</maven-core.version>
     <mockito.version>5.17.0</mockito.version>
     <netty.version>4.2.0.Final</netty.version>
-    <protobuf.version>4.30.2</protobuf.version>
+    <protobuf.version>4.31.0</protobuf.version>
     <reload4j.version>1.2.26</reload4j.version>
     <servlet-api.version>4.0.1</servlet-api.version>
     <slf4j.version>2.0.17</slf4j.version>