gnucash-docs stable: Lower cmake requirement again to cater for our slightly outdated build server

[Geert Janssens]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/e86ff8b9 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/77a6ff72 (commit)



commit e86ff8b9f77e612cce290383b72e8e4e58463393
Author: Geert Janssens <geert at kobaltwit.be>
Date:   Wed Aug 23 09:49:41 2023 +0200

    Lower cmake requirement again to cater for our slightly outdated build server



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