Bump tailwindcss from 1.9.6 to 3.4.8 #1876

Job	Run time
Lint files	55s
Test addon (locked dependencies) (ember)	59s
Test addon (floating dependencies) (ember)	1m 19s
Test addon (locked dependencies) (node)	1m 3s
Test compatibility (ember-lts-4.4)	2m 12s
Test addon (locked dependencies) (test-apps)	1m 0s
Test addon (floating dependencies) (node)	1m 14s
Test compatibility (ember-lts-4.8)	2m 38s
Test addon (floating dependencies) (test-apps)	1m 16s
Test compatibility (ember-lts-4.12)	2m 12s
Test compatibility (ember-release)	2m 27s
Test compatibility (ember-beta)	2m 14s
Test compatibility (ember-canary)	2m 11s
Test compatibility (embroider-safe)	2m 12s
Deploy app	0s
	23m 52s

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