chore(deps): bump cachix/install-nix-action from 24 to 28

Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 24 to 28.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Commits](cachix/install-nix-action@v24...V28)

---
updated-dependencies:
- dependency-name: cachix/install-nix-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/checks.yml

@@ -32,7 +32,7 @@ jobs:
         with:
           token: ${{ steps.app-token.outputs.token }}
 
-      - uses: cachix/install-nix-action@v24
+      - uses: cachix/install-nix-action@V28
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}