basedpyright: fix keytar issue on darwin

fix https://github.com/NixOS/nixpkgs/issues/449891
Signed-off-by: misilelab <misileminecord@gmail.com>

pkgs/by-name/ba/basedpyright/package.nix

@@ -2,6 +2,8 @@
   lib,
   fetchFromGitHub,
   runCommand,
+  stdenv,
+  clang_20,
   buildNpmPackage,
   docify,
   testers,
@@ -37,7 +39,8 @@ buildNpmPackage rec {
   nativeBuildInputs = [
     docify
     pkg-config
-  ];
+  ]
+  ++ lib.optional stdenv.isDarwin [ clang_20 ]; # clang_21 breaks keytar
 
   buildInputs = [ libsecret ];