feat: 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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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (2fc6cfd) to head (4e1688d).

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #726    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          162       162            
  Lines        10508     10620   +112     
  Branches      1310      1314     +4     
==========================================
+ Hits         10508     10620   +112     

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