Bump maven.version from 3.9.11 to 3.9.12

Bumps `maven.version` from 3.9.11 to 3.9.12.

Updates `org.apache.maven:maven-core` 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)

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

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

Author: dependabot[bot]

log4j-transform-parent/pom.xml

@@ -39,7 +39,7 @@
     <jmh.version>1.37</jmh.version>
     <junit.version>6.0.1</junit.version>
     <log4j.version>2.25.1</log4j.version>
-    <maven.version>3.9.11</maven.version>
+    <maven.version>3.9.12</maven.version>
     <picocli.version>4.7.7</picocli.version>
     <plexus-utils.version>4.0.2</plexus-utils.version>
     <slf4j.version>2.0.17</slf4j.version>