Merge of important bugfixes for PQ read proxy & kafka proxy#15515

Merged

FloatingCrowbar merged 3 commits intoydb-platform:stable-25-1-1from

FloatingCrowbar:merge-5-1-1

Mar 10, 2025

Commits on Mar 10, 2025

Fix proxy crash on duplicate topics in request (#15467)
FloatingCrowbar
committed
The counter value for `UserInfo` is leaking (#15233)

Alek5andr-Kotov
authored and
FloatingCrowbar
committed
Fix the bug on pipe failure in read proxy (#15439)
FloatingCrowbar
committed