Update dependnecy to latest as recomended by poetry

Updated:
* fastapi: ^0.82.0 -> ^0.88.0
* uvicorn: ^0.18.3 -> ^0.20.0
* cryptography: ^37.0.4 -> ^38.0.4
* mypy: ^0.971 -> ^0.991
* pytest-cov: ^3.0.0 -> ^4.0.0
* autopep8: ^1.4 -> ^2.0.0

Author: michael.yak