Build

add setting to override the emoji font #60

Job	Run time
build-artifact (ubuntu:23.04)	2m 8s
build-artifact (ubuntu:22.04)	1m 35s
build-artifact (ubuntu:20.04)	2m 33s
build-artifact (debian:12)	3m 21s
build-artifact (debian:11)	2m 7s
build-artifact (debian:10)	2m 11s
build-artifact (opensuse/leap:15.4)	3m 8s
build-artifact (fedora:40)	2m 53s
build-artifact (fedora:39)	2m 58s
build-artifact (fedora:38)	3m 15s
create-release	0s
create-nightly-release	0s
	26m 9s

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