feat: add `finalize_parameters_hook!`

[AayushSabharwal]

Checklist

• [ ] Appropriate tests were added
• [ ] Any code changes were done in a way that does not break public API
• [ ] All documentation related to code changes were updated
• [ ] The new code follows the contributor guidelines, in particular the SciML Style Guide and COLPRAC.
• [ ] Any new documentation only uses public API

Additional context

Add any other context about the problem here.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 20 lines in your changes are missing coverage. Please review.

Project coverage is 0.00%. Comparing base (584bf3d) to head (ba71411).

Files	Patch %	Lines
src/parameter_indexing.jl	0.00%	20 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #58 +/- ## ========================================== - Coverage 33.13% 0.00% -33.14% ========================================== Files 7 6 -1 Lines 341 344 +3 ========================================== - Hits 113 0 -113 - Misses 228 344 +116 ```

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