chore(deps): bump dawidd6/action-download-artifact from 12 to 15 (#677)

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 12 to 15.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v12...v15)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-version: '15'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/docs-preview.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Download artifact
-        uses: dawidd6/action-download-artifact@v12
+        uses: dawidd6/action-download-artifact@v15
         with:
           workflow_conclusion: success
           run_id: ${{ github.event.workflow_run.id }}