ci(github-action)!: Update cachix/install-nix-action action ( v27 → v…

…30 ) (#37)

| datasource  | package                   | from | to  |
| ----------- | ------------------------- | ---- | --- |
| github-tags | cachix/install-nix-action | v27  | v30 |

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/nix-github-actions.yml

@@ -14,7 +14,7 @@ jobs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
       - id: set-matrix
         name: Generate Nix Matrix
         run: |
@@ -31,7 +31,7 @@ jobs:
       matrix: ${{fromJSON(needs.nix-matrix.outputs.matrix)}}
     steps:
       - uses: actions/checkout@v4
-      - uses: cachix/install-nix-action@v27
+      - uses: cachix/install-nix-action@v30
         with:
           extra_nix_config: |
             auto-optimise-store = true