CI/CD

Bump execa from 5.1.1 to 9.1.0 #1857

Job	Run time
Lint files	53s
Test compatibility (ember-lts-4.4)	2m 43s
Test addon (floating dependencies) (ember)	1m 15s
Test addon (locked dependencies) (ember)	1m 2s
Test compatibility (ember-lts-4.8)	2m 31s
Test addon (floating dependencies) (node)	1m 11s
Test addon (locked dependencies) (node)	45s
Test compatibility (ember-lts-4.12)	2m 35s
Test addon (floating dependencies) (test-apps)	1m 18s
Test addon (locked dependencies) (test-apps)	1m 3s
Test compatibility (ember-release)	2m 34s
Test compatibility (ember-beta)	2m 27s
Test compatibility (ember-canary)	2m 23s
Test compatibility (embroider-safe)	2m 50s
Deploy app	0s
	25m 30s

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