chromiumDev: Fix the patch phase

This fixes the following error during patchShebangs:
./third_party/dawn/third_party/webgpu-cts/tools/run_deno: unsupported interpreter directive "#!/usr/bin/env -S deno run --unstable --allow-read --allow-write --allow-env --allow-net=deno.land --no-check" (set dontPatchShebangs=1 and handle shebang patching yourself)

pkgs/applications/networking/browsers/chromium/common.nix

@@ -191,6 +191,7 @@ let
           --replace "/usr/bin/env -S make -f" "/usr/bin/make -f"
       fi
       chmod -x third_party/webgpu-cts/src/tools/run_deno
+      ${lib.optionalString (chromiumVersionAtLeast "102") "chmod -x third_party/dawn/third_party/webgpu-cts/tools/run_deno"}
 
       # We want to be able to specify where the sandbox is via CHROME_DEVEL_SANDBOX
       substituteInPlace sandbox/linux/suid/client/setuid_sandbox_host.cc \