update packaging and ci

[codecov[bot]]

Codecov Report

Merging #32 (4bcdd57) into master (77d5edd) will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master      #32   +/-   ##
=======================================
  Coverage   98.29%   98.29%           
=======================================
  Files           1        1           
  Lines         234      234           
=======================================
  Hits          230      230           
  Misses          4        4           

Flag	Coverage Δ
unittests	98.29% <100.00%> (ø)

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

Impacted Files	Coverage Δ
starlette_graphene3.py	98.29% <100.00%> (ø)

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