Merge pull request #4358 from rcalixte/qt6

Add Qt6 as an alias for Qt

Author: ahpook

topics/qt/index.md

@@ -1,5 +1,5 @@
 ---
-aliases: qt-framework, qt-application, qt5
+aliases: qt-framework, qt-application, qt5, qt6
 created_by: Haavard Nord, Eirik Chambe-Eng
 display_name: Qt
 github_url: https://github.com/qt