[flow] v0.314.0

Likely to cause new Flow errors:

• Deleted the implicit-inexact-object lint, it no longer does anything since exact_by_default=false was deprecated.
• exact_by_default=false is now deprecated in .flowconfig. Read this blog post on how to migrate, and our docs on objects for more. exact_by_default=true is the default (since 2023) so simply delete the option when migrating.

Notable bug fixes:

• Fixed incorrect enum cast suggestion when using an enum as a type argument