Adjust iOS requirements to iOS 15

Signed-off-by: Marcel Müller <marcel-mueller@gmx.de>
2023-06-12 14:30:34 +02:00 · 2023-06-12 14:30:34 +02:00 · faccde3495
--- a/docs/user-requirements.md
+++ b/docs/user-requirements.md
@ -24,4 +24,4 @@
 ## Mobile apps

 * Android: 6 or later
-* iOS: 14 or later
+* iOS: 15 or later