EDR: No description for handling APIToken info when replicating from OSS to Enterprise

When replicating to Enterprise there is a correct hint for handling the bucket name information in Enterprise:
_remoteBucketID and remoteBucketName are mutually exclusive. If replicating to InfluxDB Enterprise, use remoteBucketName with the db-name/rp-name bucket name syntax._

The same information is needed for APIToken as they do not exist in Enterprise.
From what I have researched it should be username:password instead of the token.

##### Relevant URLs
- https://docs.influxdata.com/influxdb/v2/write-data/replication/replicate-data/
- _Provide other relevant URLs (project issues, community threads, etc.)_

Start with the replication documentation at the linked URL and locate the guidance for _remoteBucketID, remoteBucketName, and APIToken when replicating to Enterprise. Verify the correct Enterprise authentication value, including whether username:password replaces the token, then document the confirmed behavior alongside the existing bucket-name hint.

Written by the indexing model from the issue text.