fix(CD): trying to add ssh-agent

.github/workflows/deploy.yml

@@ -10,6 +10,10 @@ jobs:
     runs-on: ubuntu-latest # The runner environment for this job
 
     steps:
+      - name: Setup ssh key
+        uses: webfactory/ssh-agent@v0.9.0
+        with:
+          ssh-private-key: ${{ secrets.GIT_SSH_PRIVATE_KEY }}
       - name: Deploy via ssh
         uses: appleboy/ssh-action@v1.0.3
         with: