build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules…

… to v1.6.0 (#1305)

* build(deps): update dependency org.codehaus.mojo:extra-enforcer-rules to v1.6.0

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

google-cloud-bigtable/pom.xml

@@ -603,7 +603,7 @@
           <dependency>
             <groupId>org.codehaus.mojo</groupId>
             <artifactId>extra-enforcer-rules</artifactId>
-            <version>1.5.1</version>
+            <version>1.6.0</version>
           </dependency>
           <dependency>
             <groupId>org.apache.maven.shared</groupId>