Bump pnpm/action-setup from 6 to 6.0.9 (#884)

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 6 to 6.0.9.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](https://github.com/pnpm/action-setup/compare/v6...v6.0.9)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-version: 6.0.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -22,7 +22,7 @@ jobs:
           node-version: 22
 
       - name: Install pnpm
-        uses: pnpm/action-setup@v6
+        uses: pnpm/action-setup@v6.0.9
         with:
           version: 11.20.0