Version 1.99-3 of bibtex2html is marked for autoremoval from testing on Thu 30 Jun 2022. It depends (transitively) on nvidia-graphics-drivers-tesla-470, affected by #1011146. You should try to prevent the removal by fixing these RC bugs.
Problems while searching for a new upstream version
high
uscan had problems while searching for a new upstream version:
debian/watch is an obsolete version 2 watch file;
please upgrade to a higher version
(see uscan(1) for details).