Move Qt Submodule Update Bot to its own repository


The bot now lives at qtbots/qtsubmoduleupdatebot

Task-number: QTQAINFRA-6469
Change-Id: Ic6b25311f838cfe0235f91bb18d7041598801a59
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Reviewed-by: Daniel Smith <daniel.smith@qt.io>
commit322d801c921ced813cf6431ae71b15a03ccf5ab5
parenta2324d1e7463ccbb1234f944684297d565c2ef68
authorDaniel Smith <daniel.smith@qt.io>
committerDaniel Smith <daniel.smith@qt.io>
commit timeFri, 26 Jul 2024 15:07:57 +0000