Merge pull request #207123 from divanorama/darwin_security_xpc

darwin.apple_sdk_11_0: add Security dependency on xpc

pkgs/os-specific/darwin/apple-sdk-11.0/frameworks.nix

···
   ScreenSaver                      = {};
   ScreenTime                       = {};
   ScriptingBridge                  = {};
-  Security                         = { inherit IOKit libDER; };
+  Security                         = { inherit IOKit libDER xpc; };
   SecurityFoundation               = { inherit Security; };
   SecurityInterface                = { inherit Security SecurityFoundation; };
   SensorKit                        = {};