Update EasyCurl to v4

[AlexKlo]

Pull request checklist

• Did you bump the project version?
• Did you add a description to the Pull Request?
• Did you add new tests?
• Did you add reviewers?

Updated EasyCurl dependency to version v4

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 2.30%. Comparing base (057f2d0) to head (e946baa).

Files with missing lines	Patch %	Lines
src/Interface.jl	0.00%	3 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff           @@
##           master     #68   +/-   ##
======================================
  Coverage    2.30%   2.30%           
======================================
  Files         183     183           
  Lines        2258    2258           
======================================
  Hits           52      52           
  Misses       2206    2206           

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