What happened?

Description

https://www.graubündensport.ch

Steps to reproduce

1. Fill the follwoing url in a linkfield of craft 5: https://www.graubündensport.ch

• contains a german umlaut
• is a 302 redirect

3. The entry can't be saved, because the url is said to be invalid

Expected behavior

The url saves

Actual behavior

The entry can't be saved because the url is invalid

Craft CMS version

5.4.9

PHP version

8.2

Operating system and version

Linux

Database type and version

No response

Image driver and version

No response

Installed plugins and versions