test: add a11y tests to showcases #11489

Job	Run time
init / Init	20s
scan-secrets / TruffleHog	39s
lint / Lint	40s
build-packages / Build Packages	1m 3s
get-playwright-version / Get and save publish version	18s
build-outputs / Build outputs	58s
build-showcases / Build Showcases	1m 34s
test-foundations / 🧪🎭 - foundations	1m 15s
test-components / 🧪🎭 - react:1/3	1m 38s
test-components / 🧪🎭 - react:2/3	1m 58s
test-components / 🧪🎭 - react:3/3	1m 45s
test-components / 🧪🎭 - vue:1/3	1m 32s
test-components / 🧪🎭 - vue:2/3	2m 4s
test-components / 🧪🎭 - vue:3/3	1m 31s
test-showcases / 🧪🎭 - angular:1/5	3m 13s
test-showcases / 🧪🎭 - angular:2/5	3m 57s
test-showcases / 🧪🎭 - angular:3/5	4m 14s
test-showcases / 🧪🎭 - angular:4/5	2m 45s
test-showcases / 🧪🎭 - angular:5/5	3m 21s
test-showcases / 🧪🎭 - react:1/5	2m 59s
test-showcases / 🧪🎭 - react:2/5	3m 27s
test-showcases / 🧪🎭 - react:3/5	4m 7s
test-showcases / 🧪🎭 - react:4/5	2m 39s
test-showcases / 🧪🎭 - react:5/5	3m 5s
test-showcases / 🧪🎭 - vue:1/5	2m 58s
test-showcases / 🧪🎭 - vue:2/5	3m 44s
test-showcases / 🧪🎭 - vue:3/5	3m 52s
test-showcases / 🧪🎭 - vue:4/5	2m 50s
test-showcases / 🧪🎭 - vue:5/5	3m 12s
checks-done	1s
regenerate-snapshots / 🧪🎭 - Regenerate snapshots	14m 12s
deploy	0s
	1h 21m 51s

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