fix: corepack manager use pnpm failed

Author: Miles-hxy

.github/workflows/sync-migrate.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install pnpm
-        run: npm i -g corepack@latest && corepack enable pnpm
+        run: npm i -g pnpm
 
       - uses: actions/setup-node@v4
         with: