Merge pull request #3023 from DougGregor/se-0497-implemented

SE-0497 is implemented in Swift 6.3

Author: DougGregor

proposals/0497-definition-visibility.md

@@ -3,8 +3,7 @@
 * Proposal: [SE-0497](0497-definition-visibility.md)
 * Authors: [Doug Gregor](https://github.com/DougGregor/)
 * Review Manager: [Becca Royal-Gordon](https://github.com/beccadax)
-* Status: **Accepted**
-* Implementation:  Functionality is available via hidden `@_alwaysEmitIntoClient` and `@_neverEmitIntoClient` attributes in recent `main` snapshots.
+* Status: **Implemented (Swift 6.3)**
 * Review: ([pitch](https://forums.swift.org/t/pitch-controlling-function-definition-visibility-in-clients/82372)) ([review](https://forums.swift.org/t/se-0497-controlling-function-definition-visibility-in-clients/82666)) ([acceptance](https://forums.swift.org/t/accepted-se-0497-controlling-function-definition-visibility-in-clients/83068))
 
 ## Introduction