Upgrade ember-cli to 5.4 #2321

Job	Run time
Lint addon	28s
Tests - Floating Dependencies	59s
Tests	49s
Typecheck [email protected]	2m 21s
Typecheck [email protected]	48s
Typecheck [email protected]	1m 3s
Tests - ember-3.25	2m 4s
Tests - ember-lts-3.28	1m 4s
Tests - ember-release	1m 6s
Tests - ember-beta	1m 23s
Tests - ember-canary	2m 4s
Tests - embroider-safe	1m 43s
Tests - embroider-optimized	1m 30s
	17m 22s

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