Update dependency @glint/environment-ember-loose to v1.4.0 #1210

Job	Run time
lint	1m 8s
Test php backend (7.2)	26s
test bundlesize	1m 38s
test against additional browser in BrowserStack	2m 15s
Test php backend (7.3)	29s
test against Chrome	2m 17s
Test php backend (7.4)	20s
test CSP in .htaccess	1m 7s
Test php backend (8.0)	16s
test against Firefox	2m 18s
Test php backend (8.1)	18s
Test php backend (8.2)	14s
	12m 46s

Provide feedback