chore(deps): bump dawidd6/action-download-artifact from 17 to 18

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 17 to 18.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](09b07ec687...1f8785ff7a)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-version: '18'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/publish-website-pr-cloudflare.yaml

@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Download website content artifact
-        uses: dawidd6/action-download-artifact@09b07ec687d10771279a426c79925ee415c12906 # v17
+        uses: dawidd6/action-download-artifact@1f8785ff7a5130826f848e7f72725c85d241860f # v18
         with:
           workflow: ${{ github.event.workflow_run.workflow_id }}
           name: website-content