[backend] replace plyara with yara-python for yara indicator check (#8291)

[JeremyCloarec]

Proposed changes

• replaced no longer maintained plyara library with yara-python library

Related issues

• OpenCTI failed to validate YARA rules containing "\r" escape sequence in text strings. #8291

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case (coverage and e2e)
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.30%. Comparing base (e44e755) to head (df3d425).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8731   +/-   ##
=======================================
  Coverage   66.30%   66.30%           
=======================================
  Files         597      597           
  Lines       60949    60949           
  Branches     6262     6261    -1     
=======================================
+ Hits        40410    40412    +2     
+ Misses      20539    20537    -2     

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[aHenryJard]

I see plyara lib at several places in connector, do we need to move them all to yara-python for consistency ?
https://github.com/search?q=org%3AOpenCTI-Platform%20plyara&type=code

[JeremyCloarec]

You're right, I'll update them as well