[fix](cdc) Cap debezium ChangeEventQueue with a heap-adaptive byte limit to avoid OOM#64511

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JNSimba:fix-cdc-25937-queue-bytes-limit

Commits on Jun 15, 2026

[fix](cdc) Cap debezium ChangeEventQueue with a heap-adaptive byte limit to avoid OOM
JNSimba
committed
[test](cdc) Cover queue byte cap override and clamp in ConfigUtilTest
JNSimba
committed
[fix](cdc) Parse queue byte override explicitly and warn on malformed value
JNSimba
committed