Use jenkins.baseline to reduce bom update mistakes

Author: strangelookingnerd

pom.xml

@@ -103,15 +103,17 @@
     <revision>3.4.1</revision>
     <changelist>999999-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/postbuildscript-plugin</gitHubRepo>
-    <jenkins.version>2.479.1</jenkins.version>
+    <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
+    <jenkins.baseline>2.479</jenkins.baseline>
+    <jenkins.version>${jenkins.baseline}.1</jenkins.version>
     <hpi.compatibleSinceVersion>3.0.0</hpi.compatibleSinceVersion>
   </properties>
 
   <dependencyManagement>
     <dependencies>
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
-        <artifactId>bom-2.462.x</artifactId>
+        <artifactId>bom-${jenkins.baseline}.x</artifactId>
         <version>3893.v213a_42768d35</version>
         <type>pom</type>
         <scope>import</scope>