v2.11.0
test/inputrc: do not set print-completions-horizontally
test: remove old test suite code no longer used \o/
pytest: rewrite in bash, support toplevel funcs, avoid nondef ones and classes
*: format Python code with black
test: upgrade pre-commit to 2.4.0+, drop shfmt kludge
test: split dependencies requiring Python 3.6.1+ to requirements-dev.txt
test/runLint: warn about [ ] instead of [[ ]] use
pre-commit: upgrade isort to 5.0.7
test: add some dpkg-query test cases
*: run all shell code through shfmt -s