PENG-2248 Replaced deprecated pkg_resources dependency

[dusktreader]

What

Replaced deprecated pkg_resources.get_distribution with importlib.metadata.version.

Why

To preserve compatibility with Python 3.12.

Task: https://app.clickup.com/t/18022949/PENG-2248

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Peer Review

Please follow the upstream omnivector documentation concerning
peer-review guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.21%. Comparing base (5488fae) to head (1c77ea3).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #554   +/-   ##
=======================================
  Coverage   92.21%   92.21%           
=======================================
  Files          82       82           
  Lines        4431     4431           
=======================================
  Hits         4086     4086           
  Misses        345      345           

Flag	Coverage Δ
agent	93.51% <ø> (ø)
api	95.50% <ø> (ø)
cli	88.25% <ø> (ø)
core	95.47% <ø> (ø)

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[jamesbeedy]

+1