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 79.88%. Comparing base (1bfd44f) to head (377bbe0).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #8474       +/-   ##
============================================
+ Coverage    66.45%   79.88%   +13.42%     
============================================
  Files          780      237      -543     
  Lines        59639    21254    -38385     
  Branches     10136        0    -10136     
============================================
- Hits         39635    16979    -22656     
+ Misses       20001     4275    -15726     
+ Partials         3        0        -3     

Flag	Coverage Δ
lsf-e2e	?
lsf-integration	?
lsf-unit	?
pytests	79.88% <ø> (ø)

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