Tor Browser 14.5 release - Update Tor Browser User Manual for the Tor Browser release

Tor Browser 14.5 planning + milestone:

• tpo/applications/tor-browser#43364 (closed)
• https://gitlab.torproject.org/groups/tpo/applications/-/milestones/15

Related Tor Browser issues: https://gitlab.torproject.org/tpo/applications/tor-browser/-/issues/?label_name=14.5%20stable