Add release snapshot workflow

Author: wendigo

.github/workflows/snapshot-release.yml

@@ -0,0 +1,53 @@
+name: Release snapshot version
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: 'The branch to release snapshot release from'
+        required: true
+        default: 'master'
+
+jobs:
+  snapshot-release:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          ref: ${{ github.event.inputs.branch }}
+
+      - name: Install java
+        uses: actions/setup-java@v4
+        with:
+          java-version: '25'
+          distribution: 'temurin'
+          gpg-private-key: ${{ secrets.JRELEASER_GPG_SECRET_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
+          cache: 'maven'
+
+      - name: Run mvn deploy to local staging
+        env:
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.JRELEASER_GPG_PASSPHRASE }}
+        run: |
+          ./mvnw clean deploy -DskipTests -Poss-release -DaltDeploymentRepository=id::njord:snapshot
+
+      - name: Run njord:validate
+        env:
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.JRELEASER_GPG_PASSPHRASE }}
+          MAVENCENTRAL_USERNAME: ${{ secrets.JRELEASER_NEXUS2_MAVEN_CENTRAL_USERNAME }}
+          MAVENCENTRAL_PASSWORD: ${{ secrets.JRELEASER_NEXUS2_MAVEN_CENTRAL_TOKEN }}
+        run: |
+          ./mvnw njord:list
+          ./mvnw njord:status
+          ./mvnw njord:validate
+
+      - name: Run njord:publish
+        env:
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.JRELEASER_GPG_PASSPHRASE }}
+          MAVENCENTRAL_USERNAME: ${{ secrets.JRELEASER_NEXUS2_MAVEN_CENTRAL_USERNAME }}
+          MAVENCENTRAL_PASSWORD: ${{ secrets.JRELEASER_NEXUS2_MAVEN_CENTRAL_TOKEN }}
+        run:
+          ./mvnw njord:publish -Poss-release