fix(node-gateway): allow broken

Signed-off-by: Alexandra <alexandra.bach@eonerc.rwth-aachen.de>

Author: al3xa23

flake.nix

@@ -10,7 +10,7 @@
     extra-trusted-public-keys = [
       "villas.cachix.org-1:vCWp9IzwxFT6ovZivQAvn5ZuLST01bpAGXWwlGTZ9fA="
     ];
-    allowBrokenPredicate = pkg: pkg == "bytestring-nums";
+    nixpkgs.config.allowBroken = true;
   };
 
   inputs = {