ci: add publish snapshot workflow

Signed-off-by: Daniel Garnier-Moiroux <[email protected]>

Author: Kehrlann

.github/workflows/publish-snapshot.yml

@@ -0,0 +1,39 @@
+name: Publish Snapshot
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    name: Build branch
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'maven'
+          server-id: central
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.GPG_SECRET_KEY }}
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE
+
+      - name: Build and Test
+        run: mvn clean verify
+
+      - name: Generate Java docs
+        run: mvn -Pjavadoc -B javadoc:aggregate
+
+      - name: Build with Maven and deploy to Sonatype snapshot repository
+        env:
+          MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
+          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.SIGNING_PASSPHRASE }}
+        run: |
+          mvn -Pjavadoc -Prelease --batch-mode --update-snapshots deploy