ci: only use 3 parallel uploaders

.github/workflows/default.yaml

@@ -47,11 +47,6 @@ jobs:
           path: node_modules/.astro
           key: ${{ runner.os }}-astro-v1
 
-      - name: print modifify time of the first file under node_modules/.astro without using find
-        run: |
-          ls -lt node_modules/.astro/assets | grep "^-" | head -n 1 | awk '{print $6, $7, $8}'
-        
-
       - name: 🔄 Pull Git LFS files
         run: git lfs pull
 
@@ -69,7 +64,7 @@ jobs:
           pass: ${{ secrets.FTP_PASSWORD }}
           onlyNewer: true
           restoreMTime: false
-          parallel: '4'
+          parallel: '3'
           settings: 'sftp:auto-confirm=yes'
           localDir: 'dist'
           remoteDir: '/share/new-website'