chore(deps): bump pnpm/action-setup from 4 to 6 (#740)

Bumps [pnpm/action-setup](https://github.com/pnpm/action-setup) from 4 to 6.
- [Release notes](https://github.com/pnpm/action-setup/releases)
- [Commits](https://github.com/pnpm/action-setup/compare/v4...v6)

---
updated-dependencies:
- dependency-name: pnpm/action-setup
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
         with:
           fetch-depth: 0 # Fetch all history for generating release notes
 
-      - uses: pnpm/action-setup@v4
+      - uses: pnpm/action-setup@v6
       - name: Setup Node.js
         uses: actions/setup-node@v6
         with: