chore: add classifier for python 3.10

[anukaal]

added support for python 3.10

[software-dov]

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[codecov]

Codecov Report

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@@           Coverage Diff            @@
##             main      #283   +/-   ##
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  Coverage        ?   100.00%           
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  Files           ?        22           
  Lines           ?       986           
  Branches        ?       220           
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  Hits            ?       986           
  Misses          ?         0           
  Partials        ?         0           

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