fix: missing dependency on macOS for pg_jsonschema

Author: jfroche

nix/ext/pg_jsonschema/default.nix

@@ -6,6 +6,7 @@
  fetchFromGitHub,
  postgresql,
  rust-bin,
+ darwin,
 }:
 let
  pname = "pg_jsonschema";
@@ -42,7 +43,7 @@ let
  "";
 
  nativeBuildInputs = [ cargo ];
- buildInputs = [ postgresql ];
+ buildInputs = [ postgresql ] ++ lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.SystemConfiguration ];
  # update the following array when the pg_jsonschema version is updated
  # required to ensure that extensions update scripts from previous versions are generated