gnucash-on-flatpak master: Update mariadb-connector version to what's currently available.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-flatpak/commit/9a34782e (commit)
	from  https://github.com/Gnucash/gnucash-on-flatpak/commit/09d0ed00 (commit)



commit 9a34782e14468c50e23568f2cac8a0807e80aaa6
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Jun 25 18:26:46 2022 -0700

    Update mariadb-connector version to what's currently available.



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