Bump nixbuild/nix-quick-install-action from 33 to 34

Bumps [nixbuild/nix-quick-install-action](https://github.com/nixbuild/nix-quick-install-action) from 33 to 34.
- [Release notes](https://github.com/nixbuild/nix-quick-install-action/releases)
- [Changelog](https://github.com/nixbuild/nix-quick-install-action/blob/master/RELEASE)
- [Commits](https://github.com/nixbuild/nix-quick-install-action/compare/v33...v34)

---
updated-dependencies:
- dependency-name: nixbuild/nix-quick-install-action
  dependency-version: '34'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v5
 
       - name: Install Nix
-        uses: nixbuild/nix-quick-install-action@v33
+        uses: nixbuild/nix-quick-install-action@v34
 
       - name: Setup Nix cache
         uses: nix-community/cache-nix-action@v6