fixing action syntax (#121)

Author: chayim

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

@@ -0,0 +1,47 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: get version from tag
+        id: get_version
+        run: |
+          realversion="${GITHUB_REF/refs\/tags\//}"
+          realversion="${realversion//v/}"
+          echo "::set-output name=VERSION::$realversion"
+
+      - name: Set up publishing to maven central
+        uses: actions/setup-java@v2
+        with:
+          java-version: '8'
+          distribution: 'adopt'
+          server-id: ossrh
+          server-username: MAVEN_USERNAME
+          server-password: MAVEN_PASSWORD
+
+      - name: mvn versions
+        run: mvn versions:set -DnewVersion=${{ steps.get_version.outputs.VERSION }}
+
+      - name: Install gpg key
+        run: |
+          cat <(echo -e "${{ secrets.OSSRH_GPG_SECRET_KEY }}") | gpg --batch --import
+          gpg --list-secret-keys --keyid-format LONG
+
+      - name: Publish
+        run: |
+          mvn --no-transfer-progress \
+            --batch-mode \
+            -Dgpg.passphrase="${{ secrets.OSSRH_GPG_SECRET_KEY_PASSWORD }}" \
+            -s -DskipTests deploy -P release
+        env:
+          MAVEN_USERNAME: ${{secrets.OSSH_USERNAME}}
+          MAVEN_PASSWORD: ${{secrets.OSSH_TOKEN}}