spell out ordinals per style

Author: rjmccall

proposals/0498-runtime-demangle.md

@@ -6,7 +6,7 @@
 * Review Manager: [Steve Canon](https://github.com/stephentyrone)
 * Status: **Active Review (November 4 ..< 18)**
 * Implementation: [PR #84788](https://github.com/swiftlang/swift/pull/84788)
-* Review: ([pitch #1](https://forums.swift.org/t/demangle-function/25416/16)) ([pitch #2](https://forums.swift.org/t/pitch-expose-demangle-function-in-runtime-module/82605)) ([review](https://forums.swift.org/t/se-0498-expose-demangle-function-in-runtime-module/83032))
+* Review: ([first pitch](https://forums.swift.org/t/demangle-function/25416/16)) ([second pitch](https://forums.swift.org/t/pitch-expose-demangle-function-in-runtime-module/82605)) ([review](https://forums.swift.org/t/se-0498-expose-demangle-function-in-runtime-module/83032))
 
 ## Introduction