Bump extra-enforcer-rules from 1.5.1 to 1.6.1

Bumps [extra-enforcer-rules](https://github.com/mojohaus/extra-enforcer-rules) from 1.5.1 to 1.6.1.
- [Release notes](https://github.com/mojohaus/extra-enforcer-rules/releases)
- [Commits](mojohaus/extra-enforcer-rules@extra-enforcer-rules-1.5.1...extra-enforcer-rules-1.6.1)

---
updated-dependencies:
- dependency-name: org.codehaus.mojo:extra-enforcer-rules
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -25,7 +25,7 @@
     <checkstyle.version>10.3</checkstyle.version>
     <docker.image>${project.artifactId}</docker.image>
     <error-prone.version>2.14.0</error-prone.version>
-    <extra-enforcer-rules.version>1.5.1</extra-enforcer-rules.version>
+    <extra-enforcer-rules.version>1.6.1</extra-enforcer-rules.version>
     <flatten-maven-plugin.version>1.2.7</flatten-maven-plugin.version>
     <fmt-maven-plugin.version>2.13</fmt-maven-plugin.version>
     <guava.version>31.1-jre</guava.version>