[neon/backports-noble/libaqbanking-noble/debian/6.8.4-1] /: Update upstream source from tag 'upstream/6.6.4'

[Micha Lenk]

Git commit e1a50aabf91e244b1cc8ca834a43bb5005ebaa19 by Micha Lenk.
Committed on 13/10/2025 at 20:46.
Pushed by carlosdem into tag 'debian/6.8.4-1'.

Update upstream source from tag 'upstream/6.6.4'

Update to upstream version '6.6.4'
with Debian dir a19b96f2a334e5ca2c2ee00a44b642dfc841bf3b


https://invent.kde.org/neon/backports-noble/libaqbanking-noble/-/commit/e1a50aabf91e244b1cc8ca834a43bb5005ebaa19