Add in-place modifications of waveforms

[jcjaskula-aws]

Issue #, if available:
Circuits and PulseSequences with waveforms cannot be reliably modified.

Description of changes:
We have implemented setters for every waveform parameters which update the Braket waveform and the OQPy waveform variables.

Testing done:
Added a unit test.

Merge Checklist

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Tests

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (07d9e1e) to head (295349e).
Report is 130 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #726    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          134       134            
  Lines         8857      8968   +111     
  Branches      1989      2018    +29     
==========================================
+ Hits          8857      8968   +111     

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