Merge pull request #38 from a-kenji/ke-move-to-upstream

ci: Move to upstream nix-installer action

Author: a-kenji

.github/workflows/actionlint.yml

@@ -17,9 +17,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6
-    - uses: cachix/install-nix-action@v31
-      with:
-        extra_nix_config: |
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+    - uses: NixOS/nix-installer@main
     - name: "actionlint"
       run: nix run -Lv --refresh --inputs-from .# nixpkgs#actionlint -- --ignore SC2002

.github/workflows/ci.yml

@@ -18,10 +18,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji
@@ -38,10 +35,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji
@@ -59,10 +53,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji
@@ -80,10 +71,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji
@@ -101,10 +89,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji
@@ -122,10 +107,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji
@@ -143,10 +125,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+      - uses: NixOS/nix-installer@main
       - uses: cachix/cachix-action@v16
         with:
           name: kenji

.github/workflows/update-flake-lock.yml

@@ -11,10 +11,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v6
       - name: Install Nix
-        uses: cachix/install-nix-action@v31
-        with:
-          extra_nix_config: |
-            access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
+        uses: NixOS/nix-installer@main
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@v28
         with: