Update package version to 6.12.0

info.yml

@@ -1,6 +1,6 @@
 name: qt6-quicktimeline
 description: Qt module for keyframe-based timeline construction
-version: 6.11.2
+version: 6.12.0
 revision: 1
 url: https://www.qt.io/
 license: GPL3-only,LGPL3-only,LicenseRef-Qt-Commercial,Qt-GPL-exception-1.0
@@ -20,4 +20,4 @@ downloads:
     type: git
     clone_to: ${BPM_SOURCE}
     git_branch: v${BPM_PKG_VERSION}
-    checksum: 31aaa7427b4e653f5dd9ceaad1773b1bbd750d74
+    checksum: 645ba346fd8175aa0572d66c917862f8a7c4a966