Bump org.apache.maven.plugins:maven-enforcer-plugin

Bumps [org.apache.maven.plugins:maven-enforcer-plugin](https://github.com/apache/maven-enforcer) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/apache/maven-enforcer/releases)
- [Commits](apache/maven-enforcer@enforcer-3.3.0...enforcer-3.4.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-enforcer-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

org-apache-maven-plugins-test/pom.xml

@@ -145,7 +145,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
-                <version>3.3.0</version>
+                <version>3.4.0</version>
             </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>