ci: disable nix job check

Author: ahoarau

.github/workflows/nix.yml

@@ -27,7 +27,10 @@ jobs:
       - run: nix build -L
 
   check:
-    if: always()
+    # ⚠️ temporarly disable the Nix job for https://github.com/Simple-Robotics/nanoeigenpy/pull/40 ⚠️
+    if: false
+    # if: always()
+
     name: check-macos-linux-nix
 
     needs: