Bump mavenVersion from 3.9.12 to 3.9.14

Bumps `mavenVersion` from 3.9.12 to 3.9.14.

Updates `org.apache.maven:maven-plugin-api` from 3.9.12 to 3.9.14
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.12...maven-3.9.14)

Updates `org.apache.maven:maven-core` from 3.9.12 to 3.9.14

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-plugin-api
  dependency-version: 3.9.14
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-core
  dependency-version: 3.9.14
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

modernizer-maven-plugin/pom.xml

@@ -21,7 +21,7 @@
   </prerequisites>
 
   <properties>
-    <mavenVersion>3.9.12</mavenVersion>
+    <mavenVersion>3.9.14</mavenVersion>
   </properties>
 
   <dependencies>