test: add a11y tests to showcases #11574

Job	Run time
init / Init	29s
scan-secrets / TruffleHog	42s
get-playwright-version / Get and save publish version	17s
build-packages / Build Packages	1m 2s
lint / Lint	36s
test-foundations / 🧪🎭 - foundations	1m 17s
build-showcases / Build Showcases	1m 45s
build-outputs / Build outputs	59s
test-components / 🧪🎭 - react:1/3	1m 35s
test-components / 🧪🎭 - react:2/3	2m 21s
test-components / 🧪🎭 - react:3/3	1m 31s
test-components / 🧪🎭 - vue:1/3	1m 42s
test-components / 🧪🎭 - vue:2/3	2m 1s
test-components / 🧪🎭 - vue:3/3	1m 32s
test-showcases / 🧪🎭 - angular:1/5	5m 35s
test-showcases / 🧪🎭 - angular:2/5	6m 56s
test-showcases / 🧪🎭 - angular:3/5	7m 2s
test-showcases / 🧪🎭 - angular:4/5	3m 3s
test-showcases / 🧪🎭 - angular:5/5	3m 45s
test-showcases / 🧪🎭 - react:1/5	3m 8s
test-showcases / 🧪🎭 - react:2/5	3m 31s
test-showcases / 🧪🎭 - react:3/5	4m 7s
test-showcases / 🧪🎭 - react:4/5	3m 3s
test-showcases / 🧪🎭 - react:5/5	3m 8s
test-showcases / 🧪🎭 - vue:1/5	2m 53s
test-showcases / 🧪🎭 - vue:2/5	3m 54s
test-showcases / 🧪🎭 - vue:3/5	3m 53s
test-showcases / 🧪🎭 - vue:4/5	2m 52s
test-showcases / 🧪🎭 - vue:5/5	3m 32s
checks-done	1s
regenerate-snapshots / 🧪🎭 - Regenerate snapshots	14m 24s
deploy	0s
	1h 32m 36s

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