Bump plugin-util-api from 2.1.0 to 2.2.0

Bumps [plugin-util-api](https://github.com/jenkinsci/plugin-util-api-plugin) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/jenkinsci/plugin-util-api-plugin/releases)
- [Changelog](https://github.com/jenkinsci/plugin-util-api-plugin/blob/master/CHANGELOG.md)
- [Commits](jenkinsci/plugin-util-api-plugin@v2.1.0...v2.2.0)

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

pom.xml

@@ -25,7 +25,7 @@
 
     <module.name>${project.groupId}.font-awesome-api</module.name>
 
-    <plugin-util-api.version>2.1.0</plugin-util-api.version>
+    <plugin-util-api.version>2.2.0</plugin-util-api.version>
     <j2html.version>1.4.0</j2html.version>
 
   </properties>