build(deps): bump DeterminateSystems/magic-nix-cache-action from 6 to…

… 7 (#10)

Bumps [DeterminateSystems/magic-nix-cache-action](https://github.com/determinatesystems/magic-nix-cache-action) from 6 to 7.
- [Release notes](https://github.com/determinatesystems/magic-nix-cache-action/releases)
- [Commits](DeterminateSystems/magic-nix-cache-action@v6...v7)

---
updated-dependencies:
- dependency-name: DeterminateSystems/magic-nix-cache-action
  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/gh-pages.yml

@@ -19,7 +19,7 @@ jobs:
         uses: cachix/install-nix-action@V27
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: DeterminateSystems/magic-nix-cache-action@v6
+      - uses: DeterminateSystems/magic-nix-cache-action@v7
 
       - name: Check code format
         shell: bash