fix: avoid HTTP zero connections

[monkeyWie]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 61.50%. Comparing base (5124413) to head (d095cb7).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/protocol/http/fetcher.go	33.33%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #729      +/-   ##
==========================================
+ Coverage   61.48%   61.50%   +0.02%     
==========================================
  Files          35       35              
  Lines        3609     3611       +2     
==========================================
+ Hits         2219     2221       +2     
+ Misses       1117     1115       -2     
- Partials      273      275       +2     

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