Bump chai from 4.3.10 to 5.1.2 #1914

Job	Run time
Test addon (locked dependencies) (ember)	32s
Test addon (locked dependencies) (node)	16s
Lint files	27s
Test addon (locked dependencies) (test-apps)	32s
Test addon (floating dependencies) (ember)	41s
Test addon (floating dependencies) (node)	24s
Test addon (floating dependencies) (test-apps)	38s
Test compatibility (ember-lts-4.4)	1m 4s
Test compatibility (ember-lts-4.8)	1m 2s
Test compatibility (ember-lts-4.12)	1m 14s
Test compatibility (ember-lts-5.4)	1m 3s
Test compatibility (ember-release)	57s
Test compatibility (ember-beta)	59s
Test compatibility (ember-canary)	1m 3s
Test compatibility (embroider-safe)	1m 19s
Deploy app	0s
	12m 11s

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