chore(deps): update ember testing dependencies #2640

Job	Run time
lint:hbs	30s
lint:css	27s
lint:types	25s
lint:js	48s
test	51s
Ember Try (ember-3.28)	40s
Ember Try (ember-4.12)	48s
Ember Try (ember-5.4)	47s
Ember Try (ember-5.8)	39s
Ember Try (ember-5.12)	41s
Ember Try (ember-release)	39s
Ember Try (ember-beta)	57s
Ember Try (ember-canary)	1m 5s
Ember Try (embroider-safe)	1m 10s
Ember Try (embroider-optimized)	52s
	11m 19s

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