sockets extension required for unit tests

[Tigrov]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues	-

[what-the-diff]

PR Summary

• Inclusion of "ext-sockets" in Requirements
  The requirement for "ext-sockets" has been added to the "composer.json" file. This means that our project now has the necessary tool to establish socket network connections, which will significantly improve the communication between different parts of our software. This brings a new capability to our project that can enhance its overall functionality.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (8d79cc4) 81.80% compared to head (cb4c30d) 81.80%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #230   +/-   ##
=========================================
  Coverage     81.80%   81.80%           
  Complexity      575      575           
=========================================
  Files            40       40           
  Lines          1781     1781           
=========================================
  Hits           1457     1457           
  Misses          324      324           

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