gerrit: Use stdenvNoCC instead of stdenv to build package

A C compiler is not needed in order to build Gerrit. So use stdenvNoCC
instead.

Signed-off-by: Felix Singer <felixsinger@posteo.net>

pkgs/by-name/ge/gerrit/package.nix

@@ -1,12 +1,12 @@
 {
   lib,
-  stdenv,
+  stdenvNoCC,
   fetchurl,
   gitUpdater,
   nixosTests,
 }:
 
-stdenv.mkDerivation rec {
+stdenvNoCC.mkDerivation rec {
   pname = "gerrit";
   version = "3.12.3";