fix(defaults): use api.get_clients()

[icholy]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 72.50%. Comparing base (a744d92) to head (da0f0df).

Files	Patch %	Lines
lua/lsp-progress/defaults.lua	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #142      +/-   ##
==========================================
+ Coverage   72.44%   72.50%   +0.06%     
==========================================
  Files           7        7              
  Lines         450      451       +1     
==========================================
+ Hits          326      327       +1     
  Misses        124      124              

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[linrongbin16]

LGTM