Target Equinox 3.0.6, add optional producer args

See ChangeLog

Added

• Kafka.Producers: optional constructor parameters #135 🙏 @avsaditya19

Changed

• CosmosStore: Target Equinox.CosmosStore v 3.0.6#136
• EventStore: Target Equinox.EventStore v 3.0.6 #134

Targets (granularly) Equinox.CosmosStore 3.0.6, Equinox.Cosmos 2.6.0, Equinox.EventStore 3.0.6, SqlStreamStore 1.2.0-beta.8, FsCodec 2.0.0, FsKafka 1.7.x, Microsoft.Azure.Cosmos v 3.22.0, Microsoft.Azure.DocumentDB.ChangeFeedProcessor v 2.2.8, prometheus-net v 3.6.0