chore(deps): update dependency ember-cli to ~5.11.0 #701

Job	Run time
Floating Dependencies	46s
Tests	52s
ember-lts-3.28	59s
ember-lts-4.4	57s
ember-lts-4.8	47s
ember-lts-4.12	46s
ember-lts-5.4	1m 4s
ember-release	47s
ember-beta	51s
ember-canary	46s
no-deprecations	47s
ember-release-no-deprecations	52s
embroider-safe	1m 7s
embroider-optimized	58s
ember-modifier-3.2.7	1m 20s
	13m 39s

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