deps: update dependency com.google.protobuf:protobuf-java-util to v3.18.0 (#649)

Author: renovate-bot

datacatalog/snippets/pom.xml

@@ -47,7 +47,7 @@
     <dependency>
       <groupId>com.google.protobuf</groupId>
       <artifactId>protobuf-java-util</artifactId>
-      <version>3.17.3</version>
+      <version>3.18.0</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>