Removed @Experimental annotation

[alex268]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 66.66667% with 7 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.63%. Comparing base (7b74739) to head (9aac1cf).

Files with missing lines	Patch %	Lines
...h/ydb/test/integration/docker/GrpcProxyServer.java	66.66%	3 Missing and 4 partials ⚠️

Additional details and impacted files

@@                 Coverage Diff                  @@
##             release_v2.4.0     #522      +/-   ##
====================================================
- Coverage             61.66%   61.63%   -0.03%     
+ Complexity             2339     2338       -1     
====================================================
  Files                   331      331              
  Lines                 13436    13426      -10     
  Branches               1344     1344              
====================================================
- Hits                   8285     8275      -10     
+ Misses                 4535     4534       -1     
- Partials                616      617       +1     

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