* convert release notes from markdown to html
* fall back to previous behavior if utf8 decoding or markdown parsing throws
* make simple markdown parser to avoid needing a library
* add unit test
* move markdown parser to common. add unit test
use `markdown-it-py` instead of `markdown` dependency for test comparison since it's already in Pipfile.lock
* test (almost) all release notes and add some extra html encoding
* update lock
Co-authored-by: Willem Melching <willem.melching@gmail.com>
old-commit-hash: 1aebe6ff6e