[Debian-med-packaging] augur is marked for autoremoval from testing

[Debian testing autoremoval watch]

augur 6.4.2-2 is marked for autoremoval from testing on 2020-04-29

It (build-)depends on packages with these RC bugs:
953970: python-boto: autopkgtest failure with Python 3.8 as default
954496: cwltool: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p "3.7 3.8" returned exit code 13