v4.2.0
Add codespell support (CI to check, not to fix) and make it fix a few typos (#10297)
Deprecate acme.crypto_util.probe_sni() (#10387)
upgrade python-augeas (#10286)
upgrade certbot compatibility test images (#10277)
s/letsencrypt/certbot letsencrypt-compatibility-test
Add --use-pep517 flag to pip to silence warning in tools/venv.py, and switch codebase to src-layout (#10249)
Rename misc files
Release 4.2.0