test: add a11y tests to showcases #11488

Job	Run time
init / Init	1m 14s
scan-secrets / TruffleHog	41s
build-packages / Build Packages	1m 4s
lint / Lint	43s
get-playwright-version / Get and save publish version	19s
test-foundations / 🧪🎭 - foundations	2m 56s
build-showcases / Build Showcases	1m 47s
test-components / 🧪🎭 - react:1/3	3m 22s
build-outputs / Build outputs	59s
test-components / 🧪🎭 - react:2/3	4m 22s
test-components / 🧪🎭 - react:3/3	3m 7s
test-components / 🧪🎭 - vue:1/3	3m 9s
test-components / 🧪🎭 - vue:2/3	3m 40s
test-components / 🧪🎭 - vue:3/3	3m 14s
test-showcases / 🧪🎭 - angular:1/5	3m 52s
test-showcases / 🧪🎭 - angular:2/5	4m 29s
test-showcases / 🧪🎭 - angular:3/5	4m 57s
test-showcases / 🧪🎭 - angular:4/5	3m 41s
test-showcases / 🧪🎭 - angular:5/5	4m 7s
test-showcases / 🧪🎭 - react:1/5	3m 32s
test-showcases / 🧪🎭 - react:2/5	4m 2s
test-showcases / 🧪🎭 - react:3/5	4m 44s
test-showcases / 🧪🎭 - react:4/5	3m 20s
test-showcases / 🧪🎭 - react:5/5	3m 52s
test-showcases / 🧪🎭 - vue:1/5	3m 40s
test-showcases / 🧪🎭 - vue:2/5	4m 13s
test-showcases / 🧪🎭 - vue:3/5	4m 0s
test-showcases / 🧪🎭 - vue:4/5	2m 51s
test-showcases / 🧪🎭 - vue:5/5	3m 10s
checks-done	1s
regenerate-snapshots / 🧪🎭 - Regenerate snapshots	14m 34s
deploy	0s
	1h 43m 42s

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