chore(deps): update pnpm/action-setup action to v4

Author: renovate[bot]

.github/workflows/nightly.yaml

@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup pnpm
-        uses: pnpm/action-setup@v2
+        uses: pnpm/action-setup@v4
         with:
           version: 8