chore(deps): update dependency eslint-plugin-qunit to v8 #2267

Job	Run time
Lint Addon	40s
Tests (Floating Dependencies)	1m 13s
Lint Test App	25s
embroider-optimized - Allowed to fail	1m 18s
ember-beta - Allowed to fail	1m 23s
Tests (ember-4.0, false)	1m 13s
ember-canary - Allowed to fail	1m 7s
Tests (ember-lts-4.4, false)	1m 0s
Tests (ember-lts-4.8, false)	1m 25s
Tests (ember-4.12, false)	1m 0s
Tests (ember-default, false)	1m 6s
Tests (ember-release, false)	1m 10s
Tests (embroider-safe, false)	1m 10s
	14m 10s

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