try: debug macos check

Author: deemp

.github/workflows/nix.yml

@@ -39,7 +39,8 @@ jobs:
       - uses: cachix/cachix-action@v13
         with:
           name: numtide
-          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+      - name: Setup tmate session
+        uses: mxschmitt/action-tmate@v3
       - run: nix flake check
       - run: nix develop -c echo OK
       - name: Run nix flake archive