chore(deps): bump the github-actions group across 1 directory with 3 updates (#9)

Bumps the github-actions group with 3 updates in the / directory: [actions/checkout](https://github.com/actions/checkout), [DeterminateSystems/nix-installer-action](https://github.com/determinatesystems/nix-installer-action) and [DeterminateSystems/magic-nix-cache-action](https://github.com/determinatesystems/magic-nix-cache-action).


Updates `actions/checkout` from 4 to 7
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v4...v7)

Updates `DeterminateSystems/nix-installer-action` from 16 to 22
- [Release notes](https://github.com/determinatesystems/nix-installer-action/releases)
- [Commits](https://github.com/determinatesystems/nix-installer-action/compare/v16...v22)

Updates `DeterminateSystems/magic-nix-cache-action` from 8 to 14
- [Release notes](https://github.com/determinatesystems/magic-nix-cache-action/releases)
- [Commits](https://github.com/determinatesystems/magic-nix-cache-action/compare/v8...v14)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: DeterminateSystems/magic-nix-cache-action
  dependency-version: '14'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
- dependency-name: DeterminateSystems/nix-installer-action
  dependency-version: '22'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions
...

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

.github/workflows/nix-build.yml

@@ -32,13 +32,13 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           submodules: recursive
           fetch-depth: 0
 
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@v16
+        uses: DeterminateSystems/nix-installer-action@v22
         with:
           determinate: false
           extra-conf: |
@@ -46,7 +46,7 @@ jobs:
             accept-flake-config = true
 
       - name: Cache Nix
-        uses: DeterminateSystems/magic-nix-cache-action@v8
+        uses: DeterminateSystems/magic-nix-cache-action@v14
 
       - name: Build ${{ matrix.service }}
         id: build