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

[Debian testing autoremoval watch]

nibabel 3.0.1-1 is marked for autoremoval from testing on 2020-08-22

It is affected by these RC bugs:
964610: nibabel: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i python{version} -p 3.8 returned exit code 13