feat: support psg update awaiter timeout

[dieffrei]

Checklist

All items have to be completed before a PR is merged

• Adhere to Contribution Guidelines
• Updates to Decision Records considered?
• Updates to documentation at flxbl-sfp Guide considered?
• Tested changes?
• Unit Tests new and existing passing locally?

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 46.46%. Comparing base (2bd58ec) to head (258c783).
Report is 78 commits behind head on main.

Files with missing lines	Patch %	Lines
...c/core/permsets/PermissionSetGroupUpdateAwaiter.ts	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #155      +/-   ##
==========================================
+ Coverage   46.36%   46.46%   +0.09%     
==========================================
  Files          73       72       -1     
  Lines        2836     3454     +618     
  Branches      328      762     +434     
==========================================
+ Hits         1315     1605     +290     
- Misses       1496     1706     +210     
- Partials       25      143     +118     

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