terminal-notifier: enable strictDeps

nixpkgs-vet requires strictDeps for all new top-level packages, so
enable it here too
(https://github.com/NixOS/nixpkgs-vet/blob/main/src/problem/npv_164.rs).

Assisted-by: Claude Code (Claude Fable 5)

pkgs/by-name/te/terminal-notifier/package.nix

@@ -20,6 +20,8 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-Hd9cI3R2nQK2deBb5CBYz4DTHAEcO4vzqtA5qZwa1Ao=";
   };
 
+  strictDeps = true;
+
   nativeBuildInputs = [
     ibtool
     makeBinaryWrapper