chore: use Qt 6.9.3

Signed-off-by: Matthieu Gallien <[email protected]>

Author: mgallien

craftmaster.ini

@@ -38,8 +38,8 @@ Packager/CacheDir = ${Variables:Root}\cache
 [BlueprintSettings]
 nextcloud-client.buildTests = True
 binary/mysql.useMariaDB = False
-libs/qt6.version = 6.10.1
-craft/craft-blueprints-kde.revision = next
+libs/qt6.version = 6.9.3
+craft/craft-blueprints-kde.revision = newNext
 
 [windows-msvc2022_64-cl]
 Packager/PackageType = NullsoftInstallerPackager