Use parent pom 5.23

https://github.com/jenkinsci/plugin-pom/releases/tag/plugin-5.23

Author: MarkEWaite

pom.xml

@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>5.22</version>
+        <version>5.23</version>
         <relativePath />
     </parent>