deps: update dependency com.google.errorprone:error_prone_annotations to v2.3.4 (#47)

Author: renovate-bot

pom.xml

@@ -76,7 +76,7 @@
     <google.auth.version>0.19.0</google.auth.version>
     <http-client-bom.version>1.34.0</http-client-bom.version>
     <protobuf.version>3.11.1</protobuf.version>
-    <errorprone.version>2.3.3</errorprone.version>
+    <errorprone.version>2.3.4</errorprone.version>
   </properties>
 
   <dependencyManagement>