Add compatibility for Python 3.10

[smithk86]

Changes:

1. Remove the version upper-limit for Python, fastapi, and python-jose
2. Add Python 3.10 to the Test workflow
   • testing against 3.10 is passing

Cheers!
Kyle

[codecov-commenter]

Codecov Report

Merging #5 (7172c9d) into master (9e475ef) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master        #5   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            2         2           
  Lines          154       154           
=========================================
  Hits           154       154           

Flag	Coverage Δ
unittests	100.00% <ø> (ø)

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