CI/CD

Bump execa from 5.1.1 to 9.3.0 #1863

Job	Run time
Lint files	1m 1s
Test addon (floating dependencies) (ember)	1m 29s
Test addon (locked dependencies) (ember)	1m 2s
Test addon (floating dependencies) (node)	1m 14s
Test compatibility (ember-lts-4.4)	2m 27s
Test addon (locked dependencies) (node)	44s
Test addon (floating dependencies) (test-apps)	1m 26s
Test compatibility (ember-lts-4.8)	2m 30s
Test addon (locked dependencies) (test-apps)	1m 3s
Test compatibility (ember-lts-4.12)	2m 46s
Test compatibility (ember-release)	2m 21s
Test compatibility (ember-beta)	2m 25s
Test compatibility (ember-canary)	2m 23s
Test compatibility (embroider-safe)	2m 32s
Deploy app	0s
	25m 23s

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