Bump version.maven from 3.9.11 to 3.9.12

Bumps `version.maven` from 3.9.11 to 3.9.12.

Updates `org.apache.maven:maven-plugin-api` from 3.9.11 to 3.9.12
- [Release notes](https://github.com/apache/maven/releases)
- [Commits](apache/maven@maven-3.9.11...maven-3.9.12)

Updates `org.apache.maven:maven-core` from 3.9.11 to 3.9.12

---
updated-dependencies:
- dependency-name: org.apache.maven:maven-plugin-api
  dependency-version: 3.9.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.apache.maven:maven-core
  dependency-version: 3.9.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pom.xml

@@ -29,7 +29,7 @@
         <version.gizmo2>2.0.0</version.gizmo2>
         <version.groovy>4.0.29</version.groovy>
         <version.junit>5.13.4</version.junit>
-        <version.maven>3.9.11</version.maven>
+        <version.maven>3.9.12</version.maven>
         <version.maven-bundle-plugin>5.1.9</version.maven-bundle-plugin>
         <version.maven-compiler-plugin>3.14.1</version.maven-compiler-plugin>
         <version.maven-dependency-plugin>3.6.1</version.maven-dependency-plugin>