https://pypi.org/project/texsurgery/

Update various places in the doc found by git grep sagetex src/doc

CC: @dimpase @miguelmarco @sagetrac-pang

Component: packages: standard

Author: Matthias Koeppe, ...

Branch/Commit: u/mkoeppe/add_texsurgery_as_a_pip_package__advertise_as_an_alternative_to_sagetex @ e005a7c

Issue created by migration from https://trac.sagemath.org/ticket/33778