Add review thread to SE-0452 (#2607)

Author: airspeedswift

proposals/0452-integer-generic-parameters.md

@@ -5,6 +5,7 @@
 * Review Manager: [Ben Cohen](https://github.com/airspeedswift)
 * Status: **Active Review (Nov 5-19 2024)**
 * Implementation: [apple/swift#75518](https://github.com/apple/swift/pull/75518)
+* Forum Threads: [Review](https://forums.swift.org/t/se-0452-integer-generic-parameters/75844)
 * Upcoming Feature Flag: `ValueGenerics`
 
 ## Introduction