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
...

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