fix(ci): try using a different nix-install

Author: MattSturgeon

.github/workflows/build.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install nix
-        uses: DeterminateSystems/nix-installer-action@main
+        uses: cachix/install-nix-action@v25
       - name: Setup nix cache
         uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Build Glove80 firmware

.github/workflows/check.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install nix
-        uses: DeterminateSystems/nix-installer-action@main
+        uses: cachix/install-nix-action@v25
       - name: Setup nix cache
         uses: DeterminateSystems/magic-nix-cache-action@main
       - name: Run flake checker

.github/workflows/draw-keymaps.yml

@@ -28,7 +28,7 @@ jobs:
           submodules: recursive
 
       - name: Install nix
-        uses: DeterminateSystems/nix-installer-action@main
+        uses: cachix/install-nix-action@v25
       - name: Setup nix cache
         uses: DeterminateSystems/magic-nix-cache-action@main
 

.github/workflows/update.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Install Nix
-        uses: DeterminateSystems/nix-installer-action@main
+        uses: cachix/install-nix-action@v25
       - name: Update flake.lock
         id: update
         uses: DeterminateSystems/update-flake-lock@main