CI/CD

Bump tailwindcss from 1.9.6 to 4.0.4 #2015

Job	Run time
Test addon (floating dependencies) (ember)	22s
Test addon (floating dependencies) (node)	25s
Lint files	19s
Test addon (locked dependencies) (ember)	17s
Test addon (floating dependencies) (test-apps)	22s
Test addon (locked dependencies) (node)	18s
Test compatibility (ember-lts-4.4)	16s
Test addon (locked dependencies) (test-apps)	17s
Test compatibility (ember-lts-4.8)	16s
Test compatibility (ember-lts-4.12)	17s
Test compatibility (ember-lts-5.4)	18s
Test compatibility (ember-release)	16s
Test compatibility (ember-beta)	20s
Test compatibility (ember-canary)	16s
Test compatibility (embroider-safe)	20s
	4m 39s

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