Build(deps): Bump release-drafter/release-drafter from 5 to 6 (#39653)

Bumps [release-drafter/release-drafter](https://github.com/release-drafter/release-drafter) from 5 to 6.
- [Release notes](https://github.com/release-drafter/release-drafter/releases)
- [Commits](release-drafter/release-drafter@v5...v6)

---
updated-dependencies:
- dependency-name: release-drafter/release-drafter
  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/release-notes.yml

@@ -18,6 +18,6 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'twbs/bootstrap'
     steps:
-      - uses: release-drafter/release-drafter@v5
+      - uses: release-drafter/release-drafter@v6
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}