act: fix build on darwin

pkgs/development/tools/misc/act/default.nix

@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, buildGoModule }:
+{ stdenv, fetchFromGitHub, buildGoModule, Security }:
 
 buildGoModule rec {
   pname = "act";
@@ -11,11 +11,13 @@ buildGoModule rec {
     sha256 = "0l7id483006mnii4rlcff4p0ricd8a2n24sf74a9b387x0akpbsn";
   };
 
+  buildInputs = stdenv.lib.optionals stdenv.isDarwin [ Security ];
+
   modSha256 = "04s4p9j6j7gw1s4v271zwzvdny7dvjaazd2pihmyjfik95xmwx9r";
 
   buildFlagsArray = [ "-ldflags=-s -w -X main.version=${version}" ];
 
-  meta = with lib; {
+  meta = with stdenv.lib; {
     description = "Run your GitHub Actions locally";
     homepage = "https://github.com/nektos/act";
     license = licenses.mit;