don't use a specific nodejs version but use nixpkgs default

flake.nix

@@ -55,9 +55,6 @@
           };
 
           mobilizon-frontend =
-            let
-              nodejs = pkgs.nodejs-18_x;
-            in
             napalm.legacyPackages."${system}".buildPackage
               (filter {
                 root = ./.;
@@ -70,7 +67,7 @@
                 ] ++ unrelatedDirs;
               })
               {
-                inherit nodejs;
+                inherit (pkgs) nodejs;
                 nativeBuildInputs = [ pkgs.imagemagick ];
                 npmCommands = [ "npm install" "npm run build" ];
                 # Keep this in sync with the content of ./patches/
@@ -104,7 +101,7 @@
                 mix2nix
                 cmake
                 imagemagick
-                nodejs-18_x
+                nodejs
               ];
             };
         });