Update dependency @glimmer/validator to v0.94.0 #1264

Job	Run time
test against additional browser in BrowserStack	2m 20s
lint	1m 10s
Test php backend (7.2)	19s
Test php backend (7.3)	18s
test bundlesize	2m 19s
Test php backend (7.4)	21s
test against Chrome	2m 21s
Test php backend (8.0)	24s
test CSP in .htaccess	1m 3s
test against Firefox	2m 25s
Test php backend (8.1)	17s
Test php backend (8.2)	21s
	13m 38s

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