added 3d keypoint and 3d polyline annotation models

[grant-Kolena]

Linked issue(s)

What change does this PR introduce and why?

Please check if the PR fulfills these requirements

• Include reference to internal ticket and/or GitHub issue "Fixes #NNNN" (if applicable)
• Relevant tests for the changes have been added
• Relevant docs have been added / updated

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.68%. Comparing base (497ae64) to head (0072c85).

Additional details and impacted files

@@            Coverage Diff             @@
##            trunk     #653      +/-   ##
==========================================
+ Coverage   93.67%   93.68%   +0.01%     
==========================================
  Files          90       90              
  Lines        5610     5624      +14     
  Branches      830      832       +2     
==========================================
+ Hits         5255     5269      +14     
  Misses        270      270              
  Partials       85       85              

Flag	Coverage Δ
integration	76.35% <100.00%> (+0.05%)	⬆️

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