Merge tag '12.1.0' into develop

Release 12.1.0

Author: sebastianstein

readme.md

@@ -241,6 +241,7 @@ ddev ssh
 
 | Version | Date       | State        | Description                                                                                                                                                                                                                                   |
 |---------|------------|--------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| 12.1.0  | 2025-07-07 | FEATURE      | Allow backend sorting of filter items, set correct meta tag property type for keywords. For further information see: [Commits](https://github.com/in2code-de/in2studyfinder/commits/12.1.0)                                                   |
 | 12.0.2  | 2025-05-23 | BUGFIX       | Add missing release preparations                                                                                                                                                                                                              |
 | 12.0.1  | 2025-05-23 | BUGFIX       | Fix ajax requests in non default language                                                                                                                                                                                                     |
 | 12.0.0  | 2025-02-10 | [!!!]TASK    | Update JavaScript event handling, Minor bugfixes, for further information see: [Commits](https://github.com/in2code-de/in2studyfinder/commits/12.0.0)                                                                                         |