Update documentation to Tor Browser based on ESR 78
The parent task is #17735 (closed):
- corresponding MR: !120 (closed)
- nightly built images: https://nightly.tails.boum.org/build_Tails_ISO_feature-17735-tor-browser-10.x/lastSuccessful/archive/build-artifacts/ (currently broken so may have to find the ID of the last successful build on https://jenkins.tails.boum.org/job/build_Tails_ISO_feature-17735-tor-browser-10.x/, then find the corresponding artifacts on https://nightly.tails.boum.org/build_Tails_ISO_feature-17735-tor-browser-10.x/builds/)
Edited by intrigeri