Bump dawidd6/action-download-artifact from 11 to 13 in /.github/workflows#459

dependabot[bot] wants to merge 1 commit intomasterOpenTails/tail_app:masterfrom

dependabot/github_actions/dot-github/workflows/dawidd6/action-download-artifact-13OpenTails/tail_app:dependabot/github_actions/dot-github/workflows/dawidd6/action-download-artifact-13Copy head branch name to clipboard