Summary:
Display voyager version in two lines and use camel case for Voyager Version and Target Database Version in the UI.

Original commit: cbe5b995a004ec442a25c1424f02cae1f3e1b7d6 / D42654
Jira: DB-15829

Test Plan: Manual testing

Reviewers: djiang, nikhil

Reviewed By: nikhil

Subscribers: krishna.tripathi, yugabyted-dev

Differential Revision: https://phorge.dev.yugabyte.com/D43041