Breaking: Drop support for Python 3.8

[stumpylog]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.57%. Comparing base (50206a1) to head (a4a07f7).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #43      +/-   ##
===========================================
- Coverage    99.58%   99.57%   -0.01%     
===========================================
  Files           26       26              
  Lines         1445     1417      -28     
===========================================
- Hits          1439     1411      -28     
  Misses           6        6              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.