deken is marked for autoremoval from testing

[Debian testing autoremoval watch]

deken 0.6.0-1 is marked for autoremoval from testing on 2020-08-22

It (build-)depends on packages with these RC bugs:
964602: hy: FTBFS: dh_auto_test: error: pybuild --test --test-pytest -i 
python{version} -p 3.8 returned exit code 13