Version 1.1.8-8 of its is marked for autoremoval from testing on Mon 22 Feb 2021. It depends (transitively) on r-cran-testthat, affected by #979659. 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:
In debian/watch no matching files for watch line
https://cran.r-project.org/src/contrib/its_([-0-9\.]*).tar.gz
The WNPP database contains an ITP (Intent To Package) entry for
this package. This is probably an error, as it has already been
packaged. Please see bug number #900958 for more information.