Bug#1083320: borgmatic: (build-)depends on deprecated module python3-pkg-resources

[kaliko]

Package: borgmatic
Followup-For: Bug #1083320

Dear Maintainer,

This should be fixed with the next release, upstream transition to
pyproject.toml 
https://projects.torsion.org/borgmatic-collective/borgmatic/commit/f8c9d985e8ac

Cheers
k