SE-0282 update link to atomics package (#1195)

Author: Kyle Macomber

proposals/0282-atomics.md

@@ -10,7 +10,7 @@
 * Decision Notes: [Rationale](https://forums.swift.org/t/accepted-se-0282-interoperability-with-the-c-atomic-operations-library/38050)
 
 [SE-0282v1]: https://github.com/apple/swift-evolution/blob/3a358a07e878a58bec256639d2beb48461fc3177/proposals/0282-atomics.md
-[package]: https://github.com/apple/swift-se-0282-experimental
+[package]: https://github.com/apple/swift-atomics
 
 ## Introduction