[Backtracing] major:minor can have more than two digits each.

It turns out that major and minor numbers can be larger than 0xff.

Author: al45tair

stdlib/public/Backtracing/Backtrace.swift

@@ -480,7 +480,7 @@ public struct Backtrace: CustomStringConvertible, Sendable {
     ^(?<start>[A-Fa-f0-9]+)-(?<end>[A-Fa-f0-9]+)\s+
     (?<perms>[-rwxsp]{4})\s+
     (?<offset>[A-Fa-f0-9]+)\s+
-    (?<major>[A-Fa-f0-9]{2}):(?<minor>[A-Fa-f0-9]{2})\s+
+    (?<major>[A-Fa-f0-9]+):(?<minor>[A-Fa-f0-9]+)\s+
     (?<inode>\d+)\s+
     (?<pathname>.*)\s*$
     /#