nix-update: 0.1 -> 0.2

https://github.com/Mic92/nix-update/releases/tag/0.2

pkgs/tools/package-management/nix-update/default.nix

@@ -1,27 +1,27 @@
 { lib
 , buildPythonApplication
 , fetchFromGitHub
-, nix
+, nixFlakes
 , nix-prefetch
 }:
 
 buildPythonApplication rec {
   pname = "nix-update";
-  version = "0.1";
+  version = "0.2";
 
   src = fetchFromGitHub {
     owner = "Mic92";
     repo = pname;
     rev = version;
-    sha256 = "0mw31n7kqfr7fskkxp58b0wprxj1pj6n1zs6ymvvl548gs5rgn2s";
+    sha256 = "12fsxy2rv2dgk8l10ymp10j01jkcbn9w0fv5iyb5db85q4xsrsm5";
   };
 
   makeWrapperArgs = [
-    "--prefix" "PATH" ":" (lib.makeBinPath [ nix nix-prefetch ])
+    "--prefix" "PATH" ":" (lib.makeBinPath [ nixFlakes nix-prefetch ])
   ];
 
   checkPhase = ''
-    $out/bin/nix-update --help
+    $out/bin/nix-update --help >/dev/null
   '';
 
   meta = with lib; {