Let's migrate these schemas (as confirmed in T281300):
- https://meta.wikimedia.org/wiki/Schema:WMDEBannerEvents
- https://meta.wikimedia.org/wiki/Schema:WMDEBannerInteractions
- https://meta.wikimedia.org/wiki/Schema:WMDEBannerSizeIssue
See: https://wikitech.wikimedia.org/wiki/Event_Platform/EventLogging_legacy
STATUS:
Done.