Bump spotless-maven-plugin from 2.22.3 to 2.22.4

Bumps [spotless-maven-plugin](https://github.com/diffplug/spotless) from 2.22.3 to 2.22.4.
- [Release notes](https://github.com/diffplug/spotless/releases)
- [Changelog](https://github.com/diffplug/spotless/blob/main/CHANGES.md)
- [Commits](diffplug/spotless@maven/2.22.3...maven/2.22.4)

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

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

pom.xml

@@ -180,7 +180,7 @@
             <plugin>
                 <groupId>com.diffplug.spotless</groupId>
                 <artifactId>spotless-maven-plugin</artifactId>
-                <version>2.22.3</version>
+                <version>2.22.4</version>
                 <configuration>
                     <java>
                         <googleJavaFormat />