Bump Azure.Messaging.ServiceBus from 7.18.3 to 7.18.4 in /src#978

DavidBoike merged 1 commit intomainParticular/Particular.EndpointThroughputCounter:mainfrom

dependabot/nuget/src/Azure.Messaging.ServiceBus-7.18.4Particular/Particular.EndpointThroughputCounter:dependabot/nuget/src/Azure.Messaging.ServiceBus-7.18.4Copy head branch name to clipboard