bazel-remote: Mark as broken on Darwin

It currently fails during compilation because C++ standard
header files cannot be found.

pkgs/development/tools/build-managers/bazel/bazel-remote/default.nix

@@ -4,6 +4,7 @@
 , git
 , go
 , lib
+, stdenv
 }:
 
 buildBazelPackage rec {
@@ -86,5 +87,6 @@ buildBazelPackage rec {
     license = licenses.asl20;
     maintainers = [ maintainers.uri-canva ];
     platforms = platforms.darwin ++ platforms.linux;
+    broken = stdenv.isDarwin;
   };
 }