Fix TimePicker token issue link (#131863)

Fix issue reference for https://github.com/flutter/flutter/issues/131247 (it was added in the bug fix PR https://github.com/flutter/flutter/pull/131253)

dev/tools/gen_defaults/lib/time_picker_template.dart

@@ -281,7 +281,7 @@ class _${blockName}DefaultsM3 extends _TimePickerDefaults {
   @override
   TextStyle get hourMinuteTextStyle {
     return MaterialStateTextStyle.resolveWith((Set<MaterialState> states) {
-      // TODO(tahatesser): Update this when https://github.com/flutter/flutter/issues/127035 is fixed.
+      // TODO(tahatesser): Update this when https://github.com/flutter/flutter/issues/131247 is fixed.
       // This is using the correct text style from Material 3 spec.
       // https://m3.material.io/components/time-pickers/specs#fd0b6939-edab-4058-82e1-93d163945215
       return _textTheme.displayMedium!.copyWith(color: _hourMinuteTextColor.resolve(states));