BioThings v0.12.1 release
This is a bug-fix release with these CHANGES: (see also CHANGES.txt)
v0.12.1 (2022/07/05)
Bugfixes:
- biothings.cli: fixed "logger is not defined" error when typer is not installed
- biothings.web: fixed an error when build_date is None during the metadata merging
- biothings.web: fixed an edge case when attempting to read ES6 mapping with doc_type