Document usage of feature gates for breaking changes

[yurishkuro]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.24%. Comparing base (b04e0ba) to head (0823fc5).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6568   +/-   ##
=======================================
  Coverage   96.24%   96.24%           
=======================================
  Files         373      373           
  Lines       21406    21406           
=======================================
  Hits        20602    20602           
  Misses        612      612           
  Partials      192      192           

Flag	Coverage Δ
badger_v1	10.64% <ø> (ø)
badger_v2	2.77% <ø> (ø)
cassandra-4.x-v1-manual	16.58% <ø> (ø)
cassandra-4.x-v2-auto	2.71% <ø> (ø)
cassandra-4.x-v2-manual	2.71% <ø> (ø)
cassandra-5.x-v1-manual	16.58% <ø> (ø)
cassandra-5.x-v2-auto	2.71% <ø> (ø)
cassandra-5.x-v2-manual	2.71% <ø> (ø)
elasticsearch-6.x-v1	20.36% <ø> (-0.01%)	⬇️
elasticsearch-7.x-v1	20.43% <ø> (-0.01%)	⬇️
elasticsearch-8.x-v1	20.59% <ø> (ø)
elasticsearch-8.x-v2	2.77% <ø> (-0.11%)	⬇️
grpc_v1	12.15% <ø> (-0.01%)	⬇️
grpc_v2	9.02% <ø> (-0.01%)	⬇️
kafka-3.x-v1	10.32% <ø> (ø)
kafka-3.x-v2	2.77% <ø> (ø)
memory_v2	2.76% <ø> (ø)
opensearch-1.x-v1	20.48% <ø> (ø)
opensearch-2.x-v1	20.48% <ø> (-0.01%)	⬇️
opensearch-2.x-v2	2.77% <ø> (ø)
tailsampling-processor	0.51% <ø> (ø)
unittests	95.09% <ø> (ø)

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