gnucash maint: Put version back to 4.8.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/8e678533 (commit)
	from  https://github.com/Gnucash/gnucash/commit/ae7eaad0 (commit)



commit 8e678533440fccea70f999e3880b4183de37fc42
Author: John Ralls <jralls at ceridwen.us>
Date:   Fri Dec 3 13:51:11 2021 -0800

    Put version back to 4.8.



Summary of changes:
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)