(HACK WEEK 2025) chore: 🤖 add new gh workflow for a11y tests (#2942)

* chore: 🤖 add new gh workflow for a11y tests

* chore: 🤖 remove a11y dark tests job

* chore: 🤖 increase a11y tests timeout

.github/workflows/a11y-tests.yaml

@@ -0,0 +1,29 @@
+name: A11y Tests
+
+on:
+  pull_request:
+    types: [labeled, opened, synchronize, reopened]
+  workflow_dispatch:
+
+jobs:
+
+  a11y-test:
+    name: Run A11y Tests
+    if: contains(github.event.pull_request.labels.*.name, 'a11y-test')
+    runs-on: ${{ fromJSON(vars.RUNNER) }}
+    timeout-minutes: 35
+    steps:
+      - uses: browser-actions/setup-chrome@c785b87e244131f27c9f19c1a33e2ead956ab7ce # v1.7.3
+        with:
+          install-dependencies: true
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - uses: pnpm/action-setup@a7487c7e89a18df4991f7f222e4898a00d66ddda #v4.1.0
+        with:
+          run_install: false
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
+        with:
+          node-version: 20
+          cache: 'pnpm'
+          cache-dependency-path: '**/pnpm-lock.yaml'
+      - run: pnpm install
+      - run: pnpm test-a11y