chore(deps): update actions/checkout action to v6 (#566)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/playwright.yml

@@ -10,7 +10,7 @@ jobs:
     name: 🎭 E2E tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v4.2.0
         name: Install pnpm
       - uses: actions/setup-node@v4