feat: ROOT-187: Update SDK repo examples to v2.x

[robot-ci-heartex]

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Please ensure that all linked upstream Pull Requests are merged before proceeding with this one.

• feat: ROOT-187: Update SDK repo examples to v2.x label-studio-sdk#601

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.73%. Comparing base (96d4e59) to head (15119a5).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8474       +/-   ##
============================================
+ Coverage    66.76%   79.73%   +12.96%     
============================================
  Files          796      237      -559     
  Lines        60701    21464    -39237     
  Branches     10413        0    -10413     
============================================
- Hits         40528    17114    -23414     
+ Misses       20170     4350    -15820     
+ Partials         3        0        -3     

Flag	Coverage Δ
lsf-e2e	?
lsf-integration	?
lsf-unit	?
pytests	79.73% <ø> (+0.03%)	⬆️

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