use ssh key in workflow

Author: wozniakpl

.github/workflows/deploy.yml

@@ -31,5 +31,10 @@ jobs:
           sed -i "s/\${GPG_PASSPHRASE}/$GPG_PASSPHRASE/g" ./pom.xml
           cat ./pom.xml
         name: Generate GPG key
+      - name: Set up SSH key
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
       - name: Deploy
         run: mvn deploy -Prelease -X