Adapt bug-or-feedback page to Tor Browser 9
Right now on https://support.torproject.org/misc/bug-or-feedback/ we say:
We track all Tor Browser 8 related issues with the ff60-esr keyword.
We have Tor Browser 9 meanwhile. Additionally, I think for the user wanting to report a bug against Tor Browser 9 specifically (maybe after things with Tor Browser 8 worked) we should point to