Bump com.diffplug.spotless:spotless-maven-plugin from 2.46.1 to 3.0.0 (#829)

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]

pom.xml

@@ -59,7 +59,7 @@
         <!-- Plugin versions, please keep in alphabetical order -->
         <version.buildnumber.plugin>3.2.1</version.buildnumber.plugin>
         <version.checkstyle.plugin>3.6.0</version.checkstyle.plugin>
-        <version.com.diffplug.spotless>2.46.1</version.com.diffplug.spotless>
+        <version.com.diffplug.spotless>3.0.0</version.com.diffplug.spotless>
         <version.compiler.plugin>3.14.1</version.compiler.plugin>
         <version.deploy.plugin>3.1.4</version.deploy.plugin>
         <version.enforcer.plugin>3.6.1</version.enforcer.plugin>