github-actions: bump dawidd6/action-download-artifact from 11 to 12 (#137)

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 11 to 12.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](dawidd6/action-download-artifact@v11...v12)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  dependency-version: '12'
  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/deploy.yml

@@ -26,7 +26,7 @@ jobs:
     steps:
       - name: Download artifact
         id: download-artifact
-        uses: dawidd6/action-download-artifact@v11
+        uses: dawidd6/action-download-artifact@v12
         with:
           name: vitepress-artifact
           workflow: build.yml