[Website]: CCR requires both nodes to be on the same license type

[DavidCupitt]

Type of issue

None

What documentation page is affected

https://www.elastic.co/docs/deploy-manage/tools/cross-cluster-replication/ccr-getting-started-prerequisites

What happened?

Fabio Busatto has confirmed with us that CCR requires both nodes to be on the same license type. Can we update the prerequisites to explicitly call this out?

Additional info

No response

[leemthompo]

Thanks for opening the issue @DavidCupitt! I put up a PR to try to address this.