chore: update ci

Author: antfu

.github/workflows/index-update.yaml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: pnpm/action-setup@v2.2.1
+      - uses: pnpm/action-setup@v2
       - uses: actions/setup-node@v3
         with:
           node-version: 16.x