Bump pnpm/action-setup from 4 to 5

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 4 to 5.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](pnpm/action-setup@v4...v5)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/setup-node@v6
         with:
           node-version: ${{ matrix.node-version }}
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v5
         name: Install pnpm
         with:
           version: 10