Upgrade: Bump pnpm/action-setup from 3.0.0 to 4.0.0

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 3.0.0 to 4.0.0.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](pnpm/action-setup@v3.0.0...v4.0.0)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/test.yaml

@@ -28,7 +28,7 @@ jobs:
           cp -n RootFiles/TailwindCSS/{*,.*} ./ || true
           cp -R {Lib,defaults.yaml,*.mjs,*.js} Build/Carbon.Pipeline/
       - name: Install pnpm
-        uses: pnpm/action-setup@v3.0.0
+        uses: pnpm/action-setup@v4.0.0
         with:
           version: latest
       - name: Setup node