Run CI for Python 3.10

[aguschin]

close #455

[codecov]

Codecov Report

Base: 58.93% // Head: 86.84% // Increases project coverage by +27.91% 🎉

Coverage data is based on head (2a50a17) compared to base (c720634).
Patch has no changes to coverable lines.

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #466       +/-   ##
===========================================
+ Coverage   58.93%   86.84%   +27.91%     
===========================================
  Files          95       96        +1     
  Lines        7889     7901       +12     
===========================================
+ Hits         4649     6862     +2213     
+ Misses       3240     1039     -2201     

Impacted Files	Coverage Δ
mlem/api/commands.py	86.29% <ø> (+52.19%)	⬆️
mlem/contrib/heroku/utils.py	24.59% <0.00%> (-55.74%)	⬇️
mlem/contrib/heroku/build.py	55.17% <0.00%> (-34.49%)	⬇️
mlem/contrib/heroku/meta.py	51.35% <0.00%> (-33.79%)	⬇️
mlem/contrib/pip/setup.py.j2	100.00% <0.00%> (ø)
mlem/ext.py	88.28% <0.00%> (+1.80%)	⬆️
mlem/contrib/docker/context.py	84.93% <0.00%> (+2.51%)	⬆️
mlem/utils/fslock.py	91.54% <0.00%> (+2.81%)	⬆️
mlem/core/hooks.py	95.08% <0.00%> (+3.27%)	⬆️
mlem/ui.py	94.66% <0.00%> (+6.66%)	⬆️
... and 65 more

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[madhur-tandon]

This won't run the CI, you will have to open up another dummy PR (that merges to this branch) to really check the CI.

[aguschin]

Everything pass in #467

[aguschin]

@mike0sv @madhur-tandon could you approve? Thanks!