Ensure stable routing for x-modulus-hash exchange (backport #15849)#15859

ansd merged 3 commits intov4.3.xrabbitmq/rabbitmq-server:v4.3.xfrom

mergify/bp/v4.3.x/pr-15849rabbitmq/rabbitmq-server:mergify/bp/v4.3.x/pr-15849Copy head branch name to clipboard