chore: playwright speedup, cache install (#21846)

.github/workflows/default.yml

@@ -197,7 +197,19 @@ jobs:
       - name: Build Go
         run: make build
 
+      - name: Get Playwright version
+        id: playwright-version
+        run: echo "PLAYWRIGHT_VERSION=$(node -e "console.log(require('./package.json').dependencies['@playwright/test'])")" >> $GITHUB_ENV
+
+      - name: Cache Playwright browsers
+        uses: actions/cache@v4
+        id: playwright-cache
+        with:
+          path: ~/.cache/ms-playwright
+          key: ${{ runner.os }}-playwright-${{ env.PLAYWRIGHT_VERSION }}
+
       - name: Install Playwright
+        if: steps.playwright-cache.outputs.cache-hit != 'true'
         run: npx playwright install --with-deps chromium
 
       - name: Run tests