Bump autoprefixer from 9.8.6 to 9.8.7 (#16785)

Bump autoprefixer from 9.8.6 to 9.8.7 (#16785)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.8.6 to 9.8.7.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/9.8.7/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.8.6...9.8.7)

---
updated-dependencies:
- dependency-name: autoprefixer
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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