try to not use hardcoded path

.gitea/workflows/check-flake.yaml

@@ -4,11 +4,11 @@ on: [push]
 
 env:
   DEBIAN_FRONTEND: noninteractive
-  PATH: /run/current-system/sw/bin/:/nix/var/nix/profiles/per-user/gitea-runner/profile/bin
+  # PATH: /run/current-system/sw/bin/:/nix/var/nix/profiles/per-user/gitea-runner/profile/bin
 
-# defaults:
-#   run:
-#     shell: nix shell nixpkgs#nodejs-18_x
+defaults:
+  run:
+    shell: /run/current-system/sw/bin/nix shell nixpkgs#nodejs-18_x
 
 jobs:
   check-flake:
@@ -23,8 +23,8 @@ jobs:
       #   with:
       #     github_access_token: ${{ secrets.__GITHUB_TOKEN }}
 
-      - name: Install dependencies
-        run: nix profile install nixpkgs#nodejs-18_x
+      # - name: Install dependencies
+      #   run: nix profile install nixpkgs#nodejs-18_x
 
       - name: Checkout the repository
         uses: actions/checkout@v3