Async Radius.

[HelenMamontova]

Deprecated MD5 function replaced by EVP_Digests in packet.cpp, attribute.cpp. Deprecated boost::asio::ip::address_v4::from_string replaced by boost::asio::ip::address_v4::make_address_v4 in socket_tests.cpp.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 42.85714% with 4 lines in your changes missing coverage. Please review.

Project coverage is 32.16%. Comparing base (d9093ad) to head (2e61aac).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
src/attribute.cpp	50.00%	0 Missing and 2 partials ⚠️
src/packet.cpp	50.00%	0 Missing and 1 partial ⚠️
tests/socket_tests.cpp	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #62      +/-   ##
==========================================
+ Coverage   32.03%   32.16%   +0.12%     
==========================================
  Files          20       20              
  Lines        1645     1648       +3     
  Branches     1148     1148              
==========================================
+ Hits          527      530       +3     
  Misses        137      137              
  Partials      981      981              

Flag	Coverage Δ
Linux	32.16% <42.85%> (+0.12%)	⬆️

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