chore: Version 0.9.22 für App und Backend

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

app/pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 0.9.21+1
+version: 0.9.22+922
 
 environment:
   sdk: ^3.7.0