[WIP] Monitor fixes for races#4702

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hawkowl wants to merge 3 commits intomasterfrom

hawkowl/ARO-25186-2

Commits on Mar 24, 2026

remove some testing data races in pkg/util/changefeed
hawkowl
committed
encapsulate the monitor worker changefeed into the responder, remove some test races, and update tests
hawkowl
committed
remove these as they are no longer needed
hawkowl
committed