create audience and get audience methods

[rvadera12]

A summary of your pull request, including the what change you're making and why.

Testing

Include any additional information about the testing you have completed to
ensure your changes behave as expected. For a speedy review, please check
any of the tasks you completed below during your testing.

• Added unit tests for new functionality
• Tested end-to-end using the local server
• [Segmenters] Tested in the staging environment

[codecov]

Codecov Report

Attention: Patch coverage is 31.25000% with 22 lines in your changes missing coverage. Please review.

Project coverage is 77.39%. Comparing base (a01e339) to head (a0e19e6).

Files	Patch %	Lines
...estinations/hubspot/upsertObject/dynamic-fields.ts	5.88%	16 Missing ⚠️
...rc/destinations/dynamic-yield-audiences/helpers.ts	40.00%	3 Missing ⚠️
...rc/destinations/hubspot/customEvent/hubspot-api.ts	0.00%	2 Missing ⚠️
...destinations/hubspot/customEvent/dynamic-fields.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2250      +/-   ##
==========================================
- Coverage   77.40%   77.39%   -0.02%     
==========================================
  Files         899      899              
  Lines       15341    15343       +2     
  Branches     2802     2803       +1     
==========================================
  Hits        11874    11874              
- Misses       2554     2556       +2     
  Partials      913      913              

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