Enable automated release (#59)

.github/dependabot.yml

@@ -6,3 +6,7 @@ updates:
     directory: "/"
     schedule:
       interval: "monthly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/cd.yaml

@@ -0,0 +1,15 @@
+# Note: additional setup is required, see https://www.jenkins.io/redirect/continuous-delivery-of-plugins
+
+name: cd
+on:
+  workflow_dispatch:
+  check_run:
+    types:
+      - completed
+
+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

pom.xml

@@ -9,11 +9,11 @@
     </parent>
     <groupId>io.jenkins.plugins</groupId>
     <artifactId>markdown-formatter</artifactId>
-    <version>${revision}${changelist}</version>
+    <version>${changelist}</version>
     <packaging>hpi</packaging>
     <properties>
         <revision>0.2.1</revision>
-        <changelist>-SNAPSHOT</changelist>
+	<changelist>999999-SNAPSHOT</changelist>
         <jenkins.version>2.361.4</jenkins.version>
         <commonmark.version>0.21.0</commonmark.version>
         <spotbugs.effort>Max</spotbugs.effort>