Update matrix_multi_build_and_release.yml

Author: userdocs

.github/workflows/matrix_multi_build_and_release.yml

@@ -22,7 +22,7 @@ jobs:
 
           - build_tool: "cmake"
             build_tool_name: "cmake-"
-            qbt_qt_version: "6.2"
+            qbt_qt_version: "6.3"
 
           - libtorrent_version: "2.0"
             preview_release: false