[SE-0456] Update Proposal Status

Author: glessard

proposals/0456-stdlib-span-properties.md

@@ -3,12 +3,13 @@
 * Proposal: [SE-0456](0456-stdlib-span-properties.md)
 * Author: [Guillaume Lessard](https://github.com/glessard)
 * Review Manager: [Doug Gregor](https://github.com/DougGregor)
-* Status: **Active Review (January 15...28, 2024)**
+* Status: **Accepted**
 * Roadmap: [BufferView Roadmap](https://forums.swift.org/t/66211)
 * Implementation: [PR #78561](https://github.com/swiftlang/swift/pull/78561)
-* Review: [Review](https://forums.swift.org/t/se-0456-add-span-providing-properties-to-standard-library-types/77233), [Pitch](https://forums.swift.org/t/76138)
+* Review: [Pitch](https://forums.swift.org/t/76138), [Review](https://forums.swift.org/t/se-0456-add-span-providing-properties-to-standard-library-types/77233), [Acceptance](https://forums.swift.org/t/77684)
 
 [SE-0446]: https://github.com/swiftlang/swift-evolution/blob/main/proposals/0446-non-escapable.md
+
 [SE-0447]: https://github.com/swiftlang/swift-evolution/blob/main/proposals/0447-span-access-shared-contiguous-storage.md
 [PR-2305]: https://github.com/swiftlang/swift-evolution/pull/2305
 [SE-0453]: https://github.com/swiftlang/swift-evolution/blob/main/proposals/0453-vector.md