build(deps): bump autoprefixer from 10.4.5 to 10.4.7 (#4582)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.5 to 10.4.7.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.5...10.4.7)

---
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>

package.json

@@ -32,7 +32,7 @@
   "dependencies": {
     "@metalsmith/markdown": "^1.5.0",
     "@metalsmith/permalinks": "^2.4.0",
-    "autoprefixer": "^10.4.5",
+    "autoprefixer": "^10.4.7",
     "graceful-fs": "^4.2.10",
     "handlebars": "^4.7.7",
     "jquery": "^3.6.0",