Bump com.diffplug.spotless:spotless-maven-plugin from 1.20.0 to 2.39.0

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 1.20.0 to 2.39.0.
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@lib/1.20.0...lib/2.39.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

aas/pom.xml

@@ -182,7 +182,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>1.20.0</version>
+                <version>2.39.0</version>
                 <configuration>
                     <java>
                         <includes>