chore(deps): update dependency com.google.errorprone:error_prone_annotations to v2.31.0

Author: renovate-bot

pom.xml

@@ -75,7 +75,7 @@
     <project.appengine.version>2.0.29</project.appengine.version>
     <project.findbugs.version>3.0.2</project.findbugs.version>
     <deploy.autorelease>false</deploy.autorelease>
-    <project.error-prone.version>2.30.0</project.error-prone.version>
+    <project.error-prone.version>2.31.0</project.error-prone.version>
   </properties>
 
   <dependencyManagement>