Update package version to 6.12.0

info.yml

@@ -1,6 +1,6 @@
 name: qt6-base
 description: Cross-platform application development framework for creating graphical user interfaces
-version: 6.11.2
+version: 6.12.0
 revision: 1
 url: https://www.qt.io/
 license: FDL,GPL3,LGPL3,custom
@@ -73,4 +73,4 @@ downloads:
     type: git
     clone_to: ${BPM_SOURCE}
     git_branch: v${BPM_PKG_VERSION}
-    checksum: ef55f427f2c8b410d34f8a7681020a3000cf6866
+    checksum: 025bdad181de241e81bf853c8a2d7bf3d19261a9