gnucash-on-osx master: Update AqBanking to 6.8.4.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-osx/commit/50f42a9a (commit)
	from  https://github.com/Gnucash/gnucash-on-osx/commit/115fe936 (commit)



commit 50f42a9ae26d811c140fb695812510c2876d927e
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Jan 10 19:44:06 2026 -0800

    Update AqBanking to 6.8.4.



Summary of changes:
 modulesets/gnucash.modules | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)