Bump DeterminateSystems/nix-installer-action from 4 to 5 (#13)

Bumps [DeterminateSystems/nix-installer-action](https://github.com/determinatesystems/nix-installer-action) from 4 to 5.
- [Release notes](https://github.com/determinatesystems/nix-installer-action/releases)
- [Commits](DeterminateSystems/nix-installer-action@v4...v5)

---
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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci-nix.yml

@@ -25,7 +25,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@v4
-      - uses: DeterminateSystems/nix-installer-action@v4
+      - uses: DeterminateSystems/nix-installer-action@v5
       - uses: DeterminateSystems/magic-nix-cache-action@v2
       - run: nix flake check
       - run: nix develop --command echo 'This step should be done before any other "nix develop" steps because of measuring Nix build time'

.github/workflows/update-nixpkgs.yml

@@ -45,7 +45,7 @@ jobs:
           # https://stackoverflow.com/a/65056108
           fetch-depth: 0
         if: (github.event.sender.login != 'kachick') && (github.event_name == 'pull_request')
-      - uses: DeterminateSystems/nix-installer-action@v4
+      - uses: DeterminateSystems/nix-installer-action@v5
       - uses: DeterminateSystems/magic-nix-cache-action@v2
       - name: Prepare Git
         run: |