* Bump supported fastapi version to <=0.97, change all fastapi tests from starlette client to httpx.AsyncClient
* Add lifecycle manager to fastapi tests
* Fix coverage
* Add python 3.11 to test suite, bump version
* fix for #584
* fix for #580
* fix typing
* connect to db in test
* refactor test
* remove async mark
* connect client
* fix mypy
* fix mypy
* update deps
* check py3.10?
* remove py3.6, bump version
