chore(deps-dev): bump ember-cli from 4.12.2 to 5.6.0 #1220

Job	Run time
Floating Dependencies	58s
Tests	59s
Type checking - typescript@5.0	52s
ember-try: ember-lts-3.28	45s
Type checking - typescript@5.1	50s
ember-try: ember-lts-4.4	1m 3s
Type checking - typescript@5.2	51s
Type checking - typescript@next	52s
ember-try: ember-lts-4.8	1m 2s
ember-try: ember-lts-4.12	58s
ember-try: ember-release	55s
ember-try: ember-beta	1m 5s
ember-try: ember-canary	56s
ember-try: ember-classic	40s
ember-try: embroider-safe	58s
ember-try: embroider-optimized	1m 2s
	14m 46s

Provide feedback