Ban JUnit 4 imports

Author: strangelookingnerd

pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>5.18</version>
+    <version>5.22</version>
   </parent>
 
   <artifactId>scriptler</artifactId>
@@ -27,6 +27,7 @@
     <gitHubRepo>jenkinsci/scriptler-plugin</gitHubRepo>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <spotless.check.skip>false</spotless.check.skip>
+    <ban-junit4-imports.skip>false</ban-junit4-imports.skip>
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
     <jenkins.baseline>2.504</jenkins.baseline>
     <jenkins.version>${jenkins.baseline}.1</jenkins.version>