fixed rsync install step in deploy action

.github/workflows/deploy.yml

@@ -28,6 +28,8 @@ jobs:
           chmod 700 ~/.ssh
           echo "${{ secrets.KNOWN_HOST_KEY }}" > ~/.ssh/known_hosts
       - name: Install rsync
-        run: apk add rsync
+        run: |
+          apt-get update
+          apt-get install rsync
       - name: Deploy with rsync
         run: rsync -atv --delete --progress --checksum --whole-file -e ssh dist/ ${{ secrets.REMOTE_USER }}@${{ secrets.REMOTE_HOST }}:${{ secrets.DEPLOY_LOCATION }}