Additional Threat Actor Relationship Types

[Bonsai8863]

Proposed changes

• Added 'reports-to' and 'supports' relationships between threat actors

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

No UI changes to test in playwright

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.06%. Comparing base (3497f88) to head (c443bb1).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #8341      +/-   ##
==========================================
+ Coverage   66.05%   66.06%   +0.01%     
==========================================
  Files         597      597              
  Lines       60871    60895      +24     
  Branches     6202     6202              
==========================================
+ Hits        40206    40232      +26     
+ Misses      20665    20663       -2     

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