Bump com.gradle:common-custom-user-data-maven-extension (#657)

Bumps [com.gradle:common-custom-user-data-maven-extension](https://github.com/gradle/common-custom-user-data-maven-extension) from 1.12.3 to 1.12.4.
- [Release notes](https://github.com/gradle/common-custom-user-data-maven-extension/releases)
- [Commits](gradle/common-custom-user-data-maven-extension@v1.12.3...v1.12.4)

---
updated-dependencies:
- dependency-name: com.gradle:common-custom-user-data-maven-extension
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.mvn/extensions.xml

@@ -8,6 +8,6 @@
     <extension>
         <groupId>com.gradle</groupId>
         <artifactId>common-custom-user-data-maven-extension</artifactId>
-        <version>1.12.3</version>
+        <version>1.12.4</version>
     </extension>
 </extensions>