fix(external-secrets): enhance secret retrieval from infisical

[kimdre]

with expanded references and imports

[codecov]

Codecov Report

❌ Patch coverage is 0% with 6 lines in your changes missing coverage. Please review.
✅ Project coverage is 37.42%. Comparing base (924e699) to head (aa40460).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/secretprovider/infisical/client.go	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #981      +/-   ##
==========================================
+ Coverage   37.39%   37.42%   +0.02%     
==========================================
  Files          69       69              
  Lines        4824     4826       +2     
==========================================
+ Hits         1804     1806       +2     
  Misses       2720     2720              
  Partials      300      300              

Flag	Coverage Δ
unittests	37.42% <0.00%> (+0.02%)	⬆️

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