Bump DeterminateSystems/nix-installer-action from 13 to 16

Bumps [DeterminateSystems/nix-installer-action](https://github.com/determinatesystems/nix-installer-action) from 13 to 16.
- [Release notes](https://github.com/determinatesystems/nix-installer-action/releases)
- [Commits](DeterminateSystems/nix-installer-action@v13...v16)

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

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

.github/workflows/latexmk.yaml

@@ -9,7 +9,7 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
     - name: Install Nix
-      uses: DeterminateSystems/nix-installer-action@v13
+      uses: DeterminateSystems/nix-installer-action@v16
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
     - uses: DeterminateSystems/magic-nix-cache-action@v7