Live tests for #484

[pjbull]

• add timeout support

• no implicit optional

• add optional retry

• black

• try this

• type annotations

[github-actions]

🚀 Deployed on https://deploy-preview-505--gallant-agnesi-5f7bb3.netlify.app

[codecov]

Codecov Report

Attention: Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.

Project coverage is 93.7%. Comparing base (e2e8035) to head (bf0f092).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
cloudpathlib/gs/gsclient.py	90.9%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #505     +/-   ##
========================================
- Coverage    93.8%   93.7%   -0.1%     
========================================
  Files          23      23             
  Lines        1797    1805      +8     
========================================
+ Hits         1686    1692      +6     
- Misses        111     113      +2     

Files with missing lines	Coverage Δ
cloudpathlib/gs/gsclient.py	91.2% <90.9%> (-0.3%)	⬇️

... and 2 files with indirect coverage changes