[neon/backports-focal/libaqbanking/Neon/release] /: Update upstream source from tag 'upstream/6.3.1'

[Micha Lenk]

Git commit e7abf4c3de4c86288464bb123cc40b2a7aad262d by Micha Lenk.
Committed on 11/09/2021 at 19:10.
Pushed by jriddell into branch 'Neon/release'.

Update upstream source from tag 'upstream/6.3.1'

Update to upstream version '6.3.1'
with Debian dir 42d4999e3943a40127703ab7ec3a0e2ce4d8ba8a


https://invent.kde.org/neon/backports-focal/libaqbanking/commit/e7abf4c3de4c86288464bb123cc40b2a7aad262d