feat(java): Require Jenkins core 2.479.3 and Java 17.

Author: jonesbusy

Diff for: pom.xml

@@ -35,7 +35,7 @@
     <gitHubRepo>jenkinsci/skip-notifications-trait-plugin</gitHubRepo>
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
     <jenkins.baseline>2.479</jenkins.baseline>
-    <jenkins.version>${jenkins.baseline}.1</jenkins.version>
+    <jenkins.version>${jenkins.baseline}.3</jenkins.version>
     <spotless.check.skip>false</spotless.check.skip>
   </properties>