chore(java-storage): modernize submodule pom.xml

Author: chingor13

java-storage/grpc-google-cloud-storage-v2/pom.xml

@@ -40,6 +40,7 @@
     <dependency>
       <groupId>com.google.api.grpc</groupId>
       <artifactId>proto-google-iam-v1</artifactId>
+      <version>1.62.1-SNAPSHOT</version><!-- {x-version-update:proto-google-iam-v1:current} -->
     </dependency>
   </dependencies>