🔧 MAINTAIN: setuptools -> flit

[chrisjsewell]

No description provided.

[codecov]

Codecov Report

Merging #82 (e703faf) into master (f9c2f33) will increase coverage by 0.50%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master      #82      +/-   ##
==========================================
+ Coverage   83.53%   84.04%   +0.50%     
==========================================
  Files          20       20              
  Lines        1318     1360      +42     
==========================================
+ Hits         1101     1143      +42     
  Misses        217      217              

Flag	Coverage Δ
pytests	84.04% <ø> (+0.50%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
jupyter_cache/cli/commands/cmd_main.py	100.00% <0.00%> (ø)
jupyter_cache/executors/utils.py	97.72% <0.00%> (+0.05%)	⬆️
jupyter_cache/cache/main.py	88.20% <0.00%> (+0.10%)	⬆️
jupyter_cache/base.py	96.59% <0.00%> (+0.12%)	⬆️
jupyter_cache/utils.py	88.13% <0.00%> (+0.20%)	⬆️
jupyter_cache/cache/db.py	85.71% <0.00%> (+0.37%)	⬆️
jupyter_cache/executors/base.py	89.58% <0.00%> (+0.69%)	⬆️
jupyter_cache/cli/commands/cmd_cache.py	74.32% <0.00%> (+1.66%)	⬆️
jupyter_cache/cli/commands/cmd_notebook.py	77.94% <0.00%> (+1.75%)	⬆️
jupyter_cache/cli/commands/cmd_project.py	67.74% <0.00%> (+2.82%)	⬆️

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