Enable continuous delivery (#62)

https://www.jenkins.io/doc/developer/publishing/releasing-cd/ describes
the process that I followed to enable continuous delivery.

.github/dependabot.yml

@@ -2,7 +2,12 @@
 
 version: 2
 updates:
-  - package-ecosystem: "maven" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    schedule:
-      interval: "monthly"
+- package-ecosystem: "maven" # See documentation for possible values
+  directory: "/" # Location of package manifests
+  schedule:
+    interval: "monthly"
+
+- package-ecosystem: "github-actions"
+  directory: "/"
+  schedule:
+    interval: "monthly"

.github/workflows/cd.yaml

@@ -0,0 +1,19 @@
+# Note: additional setup is required, see https://www.jenkins.io/redirect/continuous-delivery-of-plugins
+
+name: cd
+on:
+  workflow_dispatch:
+  check_run:
+    types:
+      - completed
+
+permissions:
+  checks: read
+  contents: write
+
+jobs:
+  maven-cd:
+    uses: jenkins-infra/github-reusable-workflows/.github/workflows/maven-cd.yml@v1
+    secrets:
+      MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+      MAVEN_TOKEN: ${{ secrets.MAVEN_TOKEN }}

.mvn/maven.config

@@ -1,2 +1,3 @@
 -Pconsume-incrementals
 -Pmight-produce-incrementals
+-Dchangelist.format=%d.v%s

CONTRIBUTING.md

@@ -49,7 +49,7 @@ Run automated tests with multiple Java virtual machines in a development environ
 $ mvn clean -DforkCount=1C verify
 ```
 
-## Report an Issue
+## Report an issue
 
 Use the ["Report an issue" page](https://www.jenkins.io/participate/report-issue/redirect/#23052) to submit bug reports.
 Please use the link:https://www.jenkins.io/participate/report-issue/["How to Report an Issue"] guidelines when reporting issues.

pom.xml

@@ -9,7 +9,7 @@
   </parent>
   <groupId>org.jvnet.hudson.plugins</groupId>
   <artifactId>groovy-postbuild</artifactId>
-  <version>${revision}${changelist}</version>
+  <version>${changelist}</version>
   <packaging>hpi</packaging>
 
   <name>Groovy Postbuild</name>
@@ -42,8 +42,7 @@
   </scm>
 
   <properties>
-    <revision>2.6</revision>
-    <changelist>-SNAPSHOT</changelist>
+    <changelist>999999-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/groovy-postbuild-plugin</gitHubRepo>
     <jenkins.version>2.361.4</jenkins.version>
     <spotless.check.skip>false</spotless.check.skip>