⬆ Bump actions/checkout from 5 to 6 (#1988)

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/playwright.yml

@@ -22,7 +22,7 @@ jobs:
     outputs:
       changed: ${{ steps.filter.outputs.changed }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     # For pull requests it's not necessary to checkout the code but for the main branch it is
     - uses: dorny/paths-filter@v3
       id: filter
@@ -47,7 +47,7 @@ jobs:
         shardTotal: [4]
       fail-fast: false
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-node@v6
       with:
         node-version: lts/*
@@ -93,7 +93,7 @@ jobs:
     if: ${{ !cancelled() && needs.changes.outputs.changed == 'true' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: actions/setup-node@v6
       with:
         node-version: 20