fix: clarify the meaning of PerformanceRydbergLocal attributes

[peterkomar-aws]

Issue #, if available:

Description of changes:
Two small additions to the docstrings of PerformanceRydbergLocal https://github.com/amazon-braket/amazon-braket-schemas-python/blob/main/src/braket/device_schema/quera/quera_ahs_paradigm_properties_v1.py#L110

Testing done:

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (5d8985e) to head (d27bc17).
Report is 1 commits behind head on main.

Additional details and impacted files

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  Coverage   100.00%   100.00%           
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  Files          102       102           
  Lines         1481      1481           
  Branches        17        17           
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  Hits          1481      1481           

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