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]

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 ⚠️

Additional details and impacted files

@@            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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