feat: Enable testing with python versions 3.10 and 3.11 via tox

[amirhessam88]

Description

• Previously, we only had python 3.9 in tox. Therefore, the developer only could see the testing in CI. In this way, we streamlined the python testing against versions 3.9, 3.10, and 3.11 via tox.

Resolves: #issue-number-here

Pull Request Checklist

• Added tests for added or changed code.
• Added documentation for changed code.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.37%. Comparing base (e78b901) to head (ec15c43).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #194   +/-   ##
=======================================
  Coverage   97.37%   97.37%           
=======================================
  Files          24       24           
  Lines        1907     1907           
  Branches      211      211           
=======================================
  Hits         1857     1857           
  Misses         24       24           
  Partials       26       26           

Flag	Coverage Δ
unittests	97.37% <ø> (ø)

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