MINOR: [Java] Bump com.gradle:common-custom-user-data-maven-extension

Bumps [com.gradle:common-custom-user-data-maven-extension](https://github.com/gradle/common-custom-user-data-maven-extension) from 2.0 to 2.0.1.
- [Release notes](https://github.com/gradle/common-custom-user-data-maven-extension/releases)
- [Commits](gradle/common-custom-user-data-maven-extension@v2...v2.0.1)

---
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]>

java/.mvn/extensions.xml

@@ -28,6 +28,6 @@
     <extension>
         <groupId>com.gradle</groupId>
         <artifactId>common-custom-user-data-maven-extension</artifactId>
-        <version>2.0</version>
+        <version>2.0.1</version>
     </extension>
 </extensions>