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

Author: renovate[bot]

.github/actions/pnpm-setup/action.yml

@@ -7,7 +7,7 @@ runs:
       with:
         node-version-file: .node-version
 
-    - uses: pnpm/action-setup@v3.0.0
+    - uses: pnpm/action-setup@v4.0.0
       with:
         version: 8
         run_install: false