fix: copy codebase to VPS using appleboy/scp-action to avoid git clone/pull auth dependency

.github/workflows/deploy.yml

@@ -13,6 +13,16 @@ jobs:
       - name: Checkout Repository
         uses: actions/checkout@v4
 
+      - name: Copy Files to VPS
+        uses: appleboy/scp-action@v0.1.7
+        with:
+          host: ${{ secrets.VPS_HOST }}
+          username: ${{ secrets.VPS_USERNAME }}
+          key: ${{ secrets.VPS_SSH_KEY }}
+          source: "."
+          target: "/opt/imphenbot"
+          rm: false
+
       - name: Deploy via SSH
         uses: appleboy/ssh-action@v1.0.3
         env:
@@ -25,9 +35,6 @@ jobs:
           script: |
             cd /opt/imphenbot || exit
             
-            # Pull latest changes
-            git pull origin master
-            
             # Write environment variables from GitHub Secrets
             echo "$ENV_FILE" > .env