Migrate from EE 8 to EE 9

pom.xml

@@ -28,7 +28,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.86</version>
+        <version>5.5</version>
         <relativePath/>
     </parent>
     <groupId>org.jenkins-ci.plugins.workflow</groupId>
@@ -64,8 +64,8 @@
     <properties>
         <changelist>999999-SNAPSHOT</changelist>
         <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
-        <jenkins.baseline>2.361</jenkins.baseline>
-        <jenkins.version>${jenkins.baseline}.4</jenkins.version>
+        <jenkins.baseline>2.479</jenkins.baseline>
+        <jenkins.version>${jenkins.baseline}.1</jenkins.version>
         <useBeta>true</useBeta>
         <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
     </properties>
@@ -74,22 +74,10 @@
             <dependency>
                 <groupId>io.jenkins.tools.bom</groupId>
                 <artifactId>bom-${jenkins.baseline}.x</artifactId>
-                <version>2102.v854b_fec19c92</version>
+                <version>3850.vb_c5319efa_e29</version>
                 <scope>import</scope>
                 <type>pom</type>
             </dependency>
-            <!-- TODO Remove once in BOM -->
-            <dependency>
-                <groupId>io.jenkins.plugins</groupId>
-                <artifactId>jakarta-activation-api</artifactId>
-                <version>2.1.3-1</version>
-            </dependency>
-            <!-- TODO Remove once in BOM -->
-            <dependency>
-                <groupId>io.jenkins.plugins</groupId>
-                <artifactId>jakarta-mail-api</artifactId>
-                <version>2.1.3-1</version>
-            </dependency>
         </dependencies>
     </dependencyManagement>
     <dependencies>
@@ -142,7 +130,7 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins.workflow</groupId>
             <artifactId>workflow-durable-task-step</artifactId>
-            <scope>runtime</scope> <!-- TODO switch to test once 1227.vdc0a_d1fd4338 or later is widely adopted -->
+            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins.workflow</groupId>

src/main/java/org/jenkinsci/plugins/workflow/steps/EnvStep.java

@@ -37,7 +37,7 @@
 import java.util.Set;
 import net.sf.json.JSONObject;
 import org.kohsuke.stapler.DataBoundConstructor;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 
 public class EnvStep extends Step {
 
@@ -120,7 +120,7 @@ private static final class ExpanderImpl extends EnvironmentExpander {
         }
 
         // TODO JENKINS-27901: need a standard control for this
-        @Override public Step newInstance(StaplerRequest req, JSONObject formData) throws FormException {
+        @Override public Step newInstance(StaplerRequest2 req, JSONObject formData) throws FormException {
             String overridesS = formData.getString("overrides");
             List<String> overrides = new ArrayList<>();
             for (String line : overridesS.split("\r?\n")) {