Copy geckodriver only for Linux x86-64
With #41458 (closed), I started copying geckodriver only on Linux.
However, the i686 and aarch64 binaries are still x86_64, therefore it doesn't make sense to copy them.
With #41458 (closed), I started copying geckodriver only on Linux.
However, the i686 and aarch64 binaries are still x86_64, therefore it doesn't make sense to copy them.