gnucash-docs master: CI for gnucash-docs should be on Ubuntu 18.04 to match gnucash.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-docs/commit/4bddb820 (commit)
	from  https://github.com/Gnucash/gnucash-docs/commit/681dbb86 (commit)



commit 4bddb820342e796c003526bb7fbf315902093fad
Author: John Ralls <jralls at ceridwen.us>
Date:   Wed Apr 29 18:05:30 2020 -0700

    CI for gnucash-docs should be on Ubuntu 18.04 to match gnucash.



Summary of changes:
 util/ci/{ubuntu-14.04-docker => ubuntu-18.04-docker}         | 8 ++++----
 util/ci/{ubuntu-14.04-testscript => ubuntu-18.04-testscript} | 0
 2 files changed, 4 insertions(+), 4 deletions(-)
 rename util/ci/{ubuntu-14.04-docker => ubuntu-18.04-docker} (52%)
 rename util/ci/{ubuntu-14.04-testscript => ubuntu-18.04-testscript} (100%)