Add explicit end months for proposals.

Author: tkremenek

proposals/0474-yielding-accessors.md

@@ -3,7 +3,7 @@
 * Proposal: [SE-0474](0474-yielding-accessors.md)
 * Authors: [Ben Cohen](https://github.com/airspeedswift), [Nate Chandler](https://github.com/nate-chandler), [Joe Groff](https://github.com/jckarter/)
 * Review Manager: [Steve Canon](https://github.com/stephentyrone)
-* Status: **Active Review (April 8...22, 2025)**
+* Status: **Active Review (April 8 ... April 22, 2025)**
 * Vision: [A Prospective Vision for Accessors in Swift](https://github.com/rjmccall/swift-evolution/blob/accessors-vision/visions/accessors.md)
 * Implementation: Partially available on main behind the frontend flag `-enable-experimental-feature CoroutineAccessors`
 * Review: ([pitch 1](https://forums.swift.org/t/modify-accessors/31872)), ([pitch 2](https://forums.swift.org/t/pitch-modify-and-read-accessors/75627)), ([pitch 3](https://forums.swift.org/t/pitch-3-yielding-coroutine-accessors/77956)), ([review](https://forums.swift.org/t/se-0474-yielding-accessors/79170))

proposals/0475-observed.md

@@ -3,7 +3,7 @@
 * Proposal: [SE-0475](0475-observed.md)
 * Authors: [Philippe Hausler](https://github.com/phausler)
 * Review Manager: [Freddy Kellison-Linn](https://github.com/Jumhyn)
-* Status: **Active Review (April 10...24, 2025)**
+* Status: **Active Review (April 10 ... April 24, 2025)**
 * Implementation: https://github.com/swiftlang/swift/pull/79817
 * Review: ([pitch](https://forums.swift.org/t/pitch-transactional-observation-of-values/78315)) ([review](https://forums.swift.org/t/se-0475-transactional-observation-of-values/79224))