[Azure Logs] Route logs categories to the most appropriate data stream

[zmoog]

With the introduction of the reroute processor in 8.9 and the support for defining routing rules in package-spec 2.9.0, in 8.10 we have the opportunity to route incoming logs to the most appropriate data stream.

Similar tasks:

• [Kubernetes] Reroute container logs based on pod annotations #7118

[botelastic]

Hi! We just realized that we haven't looked into this issue in a while. We're sorry! We're labeling this issue as Stale to make it hit our filters and make sure we get back to it as soon as possible. In the meantime, it'd be extremely helpful if you could take a look at it as well and confirm its relevance. A simple comment with a nice emoji will be enough :+1. Thank you for your contribution!