Update package version to 6.12.0

info.yml

@@ -1,6 +1,6 @@
 name: qt6-charts
 description: Provides a set of easy to use chart components
-version: 6.11.2
+version: 6.12.0
 revision: 1
 url: https://www.qt.io/
 license: GPL3-only,LGPL3-only,custom
@@ -21,4 +21,4 @@ downloads:
     type: git
     clone_to: ${BPM_SOURCE}
     git_branch: v${BPM_PKG_VERSION}
-    checksum: c0a033b73abe1d52429f9011fa1e7763d6d99da6
+    checksum: 56fc191c547f4319253fd72eccf5c4c9458b261c