Add snapshot and release workflows

.github/workflows/snapshot.yaml

@@ -0,0 +1,36 @@
+---
+
+name: Publish Snapshot
+
+on:
+  push:
+    branches:
+      - main
+      - '[0-9].x'
+  workflow_dispatch:
+
+jobs:
+
+  snapshot:
+    name: Deploy Snapshot
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up publishing to maven central
+        uses: actions/setup-java@v4
+        with:
+          java-version: '8'
+          distribution: 'temurin'
+          cache: 'maven'
+          server-id: ossrh
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+      - name: mvn offline
+        run: |
+          mvn -q dependency:go-offline
+      - name: deploy
+        run: |
+          mvn --no-transfer-progress deploy
+        env:
+          MAVEN_USERNAME: ${{secrets.OSSH_USERNAME}}
+          MAVEN_PASSWORD: ${{secrets.OSSH_TOKEN}}

.github/workflows/version-and-release.yaml

@@ -0,0 +1,47 @@
+name: Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: get version from tag
+        id: get_version
+        run: |
+          realversion="${GITHUB_REF/refs\/tags\//}"
+          realversion="${realversion//v/}"
+          echo "VERSION=$realversion" >> $GITHUB_OUTPUT
+
+      - name: Set up publishing to maven central
+        uses: actions/setup-java@v4
+        with:
+          java-version: '8'
+          distribution: 'temurin'
+          cache: 'maven'
+          server-id: ossrh
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+
+      - name: mvn versions
+        run: mvn versions:set -DnewVersion=${{ steps.get_version.outputs.VERSION }}
+
+      - name: Install gpg key
+        run: |
+          cat <(echo -e "${{ secrets.OSSH_GPG_SECRET_KEY }}") | gpg --batch --import
+          gpg --list-secret-keys --keyid-format LONG
+
+      - name: Publish
+        run: |
+          mvn --no-transfer-progress \
+            --batch-mode \
+            -Dgpg.passphrase='${{ secrets.OSSH_GPG_SECRET_KEY_PASSWORD }}' \
+            deploy -P release
+        env:
+          MAVEN_USERNAME: ${{secrets.OSSH_USERNAME}}
+          MAVEN_PASSWORD: ${{secrets.OSSH_TOKEN}}

pom.xml

@@ -89,12 +89,12 @@
 
     <distributionManagement>
         <snapshotRepository>
-            <id>sonatype-nexus-snapshots</id>
+            <id>ossrh</id>
             <name>Sonatype Nexus Snapshots</name>
             <url>https://oss.sonatype.org/content/repositories/snapshots/</url>
         </snapshotRepository>
         <repository>
-            <id>sonatype-nexus-staging</id>
+            <id>ossrh</id>
             <name>Nexus Release Repository</name>
             <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
         </repository>