chore: Update main.yml

Author: ezcolin2

.github/workflows/main.yml

@@ -33,6 +33,6 @@ jobs:
         with:
           host: ${{ secrets.REMOTE_HOST }}
           username: ${{ secrets.REMOTE_USER }}
-          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          key: ${{ secrets.REMOTE_PRIVATE_KEY }}
           source: ./deploy.sh
           target: /home/root/deploy.sh