chore(deps): bump nixbuild/nix-quick-install-action in the actions group

Bumps the actions group with 1 update: [nixbuild/nix-quick-install-action](https://github.com/nixbuild/nix-quick-install-action).


Updates `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](nixbuild/nix-quick-install-action@v33...v34)

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

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

Author: dependabot[bot]

.github/workflows/cross-build.yaml

@@ -37,7 +37,7 @@ jobs:
           r2-secret-access-key: ${{ secrets.R2_SECRET_ACCESS_KEY }}
 
       - name: Install nix
-        uses: nixbuild/nix-quick-install-action@v33
+        uses: nixbuild/nix-quick-install-action@v34
         with:
           nix_conf: |
             substituters = ${{ env.NIX_CACHE_URI }} https://cache.nixos.org/