Update .gitea/workflows/build.yaml

.gitea/workflows/build.yaml

@@ -4,7 +4,10 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
-    steps:    
-      - uses: actions/checkout@v3
-      - run: docker run -v $PWD:/src nix-runner 'nix-shell .'
+    steps:
+    - uses: actions/checkout@v4
+    - uses: cachix/install-nix-action@v27
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - run: nix-shell --run "cd src/clox && make"
       #- run: docker run -v $PWD:/src nix-runner 'nix shell --run "cd /src/clox && make"'