Support Maven's BOM "Bill of Materials" #4531

steps/expectations

• Support Maven's BOM "Bill of Materials" #4531 (comment)

original description

It would help scala's ecosystem if sbt supported Maven's BOM "Bill of Materials" that (IIUC) would help maintain version coherence across artefacts of the same project.

• https://hackernoon.com/maven-bill-of-materials-dependency-b6eb88f5c188
• https://maven.apache.org/guides/introduction/introduction-to-dependency-mechanism.html#Importing_Dependencies

One current workaround is verifying this at runtime like Akka does: https://github.com/akka/akka/blob/v2.5.17/akka-actor/src/main/scala/akka/util/ManifestInfo.scala