vscode-extensions.matklad.rust-analyzer: fix #152285 on aarch64-darwin

The rust-analyzer vscode extension depends on vsce which depends on keytar
which needs the AppKit and Security frameworks on Darwin.

pkgs/misc/vscode-extensions/rust-analyzer/default.nix

@@ -8,6 +8,8 @@
 , esbuild
 , pkg-config
 , libsecret
+, stdenv
+, darwin
 , setDefaultServerPath ? true
 }:
 
@@ -40,6 +42,9 @@ let
       jq moreutils esbuild
       # Required by `keytar`, which is a dependency of `vsce`.
       pkg-config libsecret
+    ] ++ lib.optionals stdenv.isDarwin [
+      darwin.apple_sdk.frameworks.AppKit
+      darwin.apple_sdk.frameworks.Security
     ];
 
     # Follows https://github.com/rust-analyzer/rust-analyzer/blob/41949748a6123fd6061eb984a47f4fe780525e63/xtask/src/dist.rs#L39-L65