Fix flaky create_dist_zips on macOS (uplift to 1.70.x) (#25633)

Uplift of #25581 (squashed) to release

BUILD.gn

@@ -542,6 +542,7 @@ action("create_dist_zips") {
     if (is_mac) {
       dir_inputs += [ brave_exe ]
       rebase_base_dir = rebase_path(root_out_dir)
+      deps += [ "//brave/build/mac:finalize_app" ]
     } else {
       rebase_base_dir = rebase_path(brave_dist_dir, root_out_dir)
     }