Bump com.diffplug.spotless:spotless-maven-plugin from 2.46.1 to 3.0.0 (eclipse-eclemma#105)

Bumps [com.diffplug.spotless:spotless-maven-plugin](https://github.com/diffplug/spotless) from 2.46.1 to 3.0.0.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@maven/2.46.1...lib/3.0.0)

---
updated-dependencies:
- dependency-name: com.diffplug.spotless:spotless-maven-plugin
  dependency-version: 3.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

org.eclipse.eclemma.build/pom.xml

@@ -91,7 +91,7 @@
         <plugin>
           <groupId>com.diffplug.spotless</groupId>
           <artifactId>spotless-maven-plugin</artifactId>
-          <version>2.46.1</version>
+          <version>3.0.0</version>
         </plugin>
         <!-- Apache plugins -->
         <plugin>