build: bump org.apache.maven.plugins:maven-enforcer-plugin in /example

Bumps [org.apache.maven.plugins:maven-enforcer-plugin](https://github.com/apache/maven-enforcer) from 3.6.2 to 3.6.3.
- [Release notes](https://github.com/apache/maven-enforcer/releases)
- [Commits](apache/maven-enforcer@enforcer-3.6.2...enforcer-3.6.3)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-enforcer-plugin
  dependency-version: 3.6.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

example/pom.xml

@@ -22,7 +22,7 @@
     <!-- plugins -->
     <cukedoctor-maven-plugin.version>3.9.0</cukedoctor-maven-plugin.version>
     <maven-surefire-plugin.version>3.5.5</maven-surefire-plugin.version>
-    <maven-enforcer-plugin>3.6.2</maven-enforcer-plugin>
+    <maven-enforcer-plugin>3.6.3</maven-enforcer-plugin>
     <arch-unit-maven-plugin.version>5.0.0</arch-unit-maven-plugin.version>
     <jacoco-maven-plugin.version>0.8.14</jacoco-maven-plugin.version>
     <maven-compiler-plugin.version>3.15.0</maven-compiler-plugin.version>