Adding version checker, better error messages

[astronomerritt]

Fixes #983.

• Error messages in the sorchaArguments dataclass are now more informative and refer to the relevant command-line argument.
• Updated the unit test.

Fixes #981.

• Added back in Mario's code for a --version command line argument.

Review Checklist for Source Code Changes

• [x] Does pip install still work?
• [x] Have you written a unit test for any new functions?
• [x] Do all the units tests run successfully?
• [x] Does Sorcha run successfully on a test set of input files/databases?
• [x] Have you used black on the files you have updated to confirm python programming style guide enforcement?

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes missing coverage. Please review.

Project coverage is 80.79%. Comparing base (316b2b6) to head (6423254). Report is 76 commits behind head on main.

Files with missing lines	Patch %	Lines
src/sorcha/utilities/sorchaArguments.py	66.66%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #991 +/- ## ========================================== + Coverage 80.73% 80.79% +0.06% ========================================== Files 69 69 Lines 3094 3083 -11 ========================================== - Hits 2498 2491 -7 + Misses 596 592 -4 ```

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[mschwamb]

It would be good for @mjuric to confirm the version stuff is okay. I think it is but a quickly double check would be helpful.