chore(deps): update testing dependencies #5774

Job	Run time
Install	25s
Default Tests	1m 3s
Publish Docs to Cloudflare Pages	1m 25s
Lint	36s
Floating Deps Test	1m 18s
[email protected]	37s
[email protected]	39s
[email protected]	39s
[email protected]	41s
ember-lts-4.4	59s
ember-lts-4.8	1m 22s
ember-release	1m 19s
ember-beta	1m 11s
ember-canary	1m 20s
'ember-lts-4.8 + embroider-safe'	1m 22s
'ember-lts-4.8 + embroider-optimized'	1m 12s
'ember-release + embroider-optimized'	1m 17s
Release	0s
	17m 25s

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