feat: add production deploy credentials

.github/workflows/production.yml

@@ -22,7 +22,7 @@ jobs:
       - name: SSH into server and update service
         uses: appleboy/ssh-action@master
         with:
-          host: ${{ secrets.SERVER_HOST }}
-          port: ${{ secrets.SERVER_PORT }}
-          username: ${{ secrets.SERVER_USER }}
-          key: ${{ secrets.SERVER_SSH_KEY }}
+          host: ${{ secrets.GCP_SSH_HOST }}
+          port: ${{ secrets.GCP_SSH_PORT }}
+          username: ${{ secrets.GCP_SSH_USER }}
+          key: ${{ secrets.GCP_SSH_PRIVATE_KEY }}