Update github-action.yml

.github/workflows/github-action.yml

@@ -59,7 +59,7 @@ jobs:
         uses: appleboy/[email protected]
         with:
           host: ${{ secrets.HOST}} # EC2 퍼블릭 IPv4 DNS
-          username: ${{ secrets.USERNAME }} # ubuntu
+          username: ${{ secrets.USERNAME }}
           key: ${{ secrets.PRIVATE_KEY }}
           script: |
             sudo docker ps