fix: use writeShellScriptBin for google-chrome wrapper so chromedriver finds it via PATH

Co-authored-by: gfauredev <19304085+gfauredev@users.noreply.github.com>

Author: Copilot

flake.nix

@@ -174,8 +174,8 @@
               chromedriver
               maestro
               # --no-sandbox required on non-NixOS CI runners where SUID sandbox
-              # binary is absent, named so selenium-manager finds via PATH
-              (writeShellScript "google-chrome" ''
+              # binary is absent, named so chromedriver finds via PATH
+              (writeShellScriptBin "google-chrome" ''
                 exec "${pkgs.ungoogled-chromium}/bin/chromium" --no-sandbox "$@"
               '')
             ];