chore: pnpm to v7

Author: haoziqaq

.github/workflows/deploy-site-sync-gitee.yaml

@@ -14,7 +14,7 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 6
+          version: 7
 
       - name: Set node version to 14
         uses: actions/setup-node@v2