feat: add --version flag to CLI

[mmahut]

Resolves #525.

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• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

New Feature Submissions:

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[sadsfae]

I don't think this should be pulled in at all, it's solely managed by Github Actions and semantic versioning.

[sadsfae]

We shouldn't be pushing this at all either, this is updated via semantic versioning too.

https://github.com/redhat-performance/badfish/blob/master/.github/workflows/production-release.yml

Then this is synced back to development.

https://github.com/redhat-performance/badfish/blob/master/.github/workflows/sync-back.yml

[sadsfae]

Hello my old friend and thanks for the PR. Just a few minor things to drop from scope.

[mmahut]

Hello my old friend. Sorry, Github rebased it, force pushed the correct branch now.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.00%. Comparing base (e1516e6) to head (215d1ea).
⚠️ Report is 3 commits behind head on development.

Additional details and impacted files

@@             Coverage Diff              @@
##           development     #530   +/-   ##
============================================
  Coverage        93.00%   93.00%           
============================================
  Files                8        8           
  Lines             2644     2646    +2     
============================================
+ Hits              2459     2461    +2     
  Misses             185      185           

Flag	Coverage Δ
unittests	93.00% <100.00%> (+<0.01%)	⬆️

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