Bump dawidd6/action-download-artifact from 2 to 3 (#747)

Bumps [dawidd6/action-download-artifact](https://github.com/dawidd6/action-download-artifact) from 2 to 3.
- [Release notes](https://github.com/dawidd6/action-download-artifact/releases)
- [Commits](https://github.com/dawidd6/action-download-artifact/compare/v2...v3)

---
updated-dependencies:
- dependency-name: dawidd6/action-download-artifact
  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/update-pr.yml

@@ -22,7 +22,7 @@ jobs:
         with:
           submodules: true
       - name: 'Download branch build info'
-        uses: dawidd6/action-download-artifact@v2
+        uses: dawidd6/action-download-artifact@v3
         with:
           workflow: ${{ github.event.workflow_run.workflow_id }}
           run_id: ${{ github.event.workflow_run.id }}