Bump formatter-maven-plugin from 2.20.0 to 2.21.0 (#63)

Bumps [formatter-maven-plugin](https://github.com/revelc/formatter-maven-plugin) from 2.20.0 to 2.21.0.
- [Release notes](https://github.com/revelc/formatter-maven-plugin/releases)
- [Changelog](https://github.com/revelc/formatter-maven-plugin/blob/main/CHANGELOG.md)
- [Commits](revelc/formatter-maven-plugin@formatter-maven-plugin-2.20.0...formatter-maven-plugin-2.21.0)

---
updated-dependencies:
- dependency-name: net.revelc.code.formatter:formatter-maven-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

pom.xml

@@ -21,7 +21,7 @@
   <packaging>pom</packaging>
 
   <properties>
-    <version.formatter.plugin>2.20.0</version.formatter.plugin>
+    <version.formatter.plugin>2.21.0</version.formatter.plugin>
     <version.impsort.plugin>1.7.0</version.impsort.plugin>
     <!-- Code format -->
     <version.quarkus.ide-config>2.5.1.Final</version.quarkus.ide-config>