Bump eslint-config-prettier from 7.2.0 to 9.1.0 in /ui (#1096) #370

Job	Run time
build-and-push / build-and-push-server	4m 19s
lint / golint	1m 43s
build-and-push / build-and-push-certifier	1m 38s
lint / actionlint	5s
lint / shellcheck	59s
unit-tests / unit-test	2m 56s
	11m 40s

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