Migrate from EE 8 to EE 9 (#192)

Author: basil

pom.xml

@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.88</version>
+        <version>5.5</version>
         <relativePath />
     </parent>
     <groupId>org.jenkins-ci.plugins.workflow</groupId>
@@ -65,8 +65,8 @@
         <changelist>999999-SNAPSHOT</changelist>
         <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
         <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
-        <jenkins.baseline>2.452</jenkins.baseline>
-        <jenkins.version>${jenkins.baseline}.4</jenkins.version>
+        <jenkins.baseline>2.479</jenkins.baseline>
+        <jenkins.version>${jenkins.baseline}.1</jenkins.version>
         <no-test-jar>false</no-test-jar>
     </properties>
     <dependencyManagement>

src/main/java/org/jenkinsci/plugins/workflow/util/StaplerReferer.java

@@ -34,7 +34,7 @@
 import edu.umd.cs.findbugs.annotations.NonNull;
 import jenkins.model.Jenkins;
 import org.kohsuke.stapler.Stapler;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 
 /**
  * JENKINS-19413 workaround.
@@ -56,10 +56,10 @@ public class StaplerReferer {
     }
 
     /**
-     * Like {@link StaplerRequest#findAncestorObject} except works also in configuration screens when a lazy-load section is newly added.
+     * Like {@link StaplerRequest2#findAncestorObject} except works also in configuration screens when a lazy-load section is newly added.
      */
     public static @CheckForNull <T extends Item> T findItemFromRequest(Class<T> type) {
-        StaplerRequest request = Stapler.getCurrentRequest();
+        StaplerRequest2 request = Stapler.getCurrentRequest2();
         if (request == null) {
             LOGGER.warning("no current request");
             return null;