gnucash-on-osx master: Update AqBanking to 6.8.3.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-osx/commit/20b38f47 (commit)
	from  https://github.com/Gnucash/gnucash-on-osx/commit/36875c82 (commit)



commit 20b38f4790a3e1ff92d29c23d058408715456482
Author: John Ralls <jralls at ceridwen.us>
Date:   Mon Dec 15 14:14:25 2025 -0800

    Update AqBanking to 6.8.3.



Summary of changes:
 modulesets/gnucash.modules | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)