Bump autoprefixer from 10.4.22 to 10.4.23 (#832)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.22 to 10.4.23.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.22...10.4.23)

---
updated-dependencies:
- dependency-name: autoprefixer
  dependency-version: 10.4.23
  dependency-type: direct:development
  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>

Author: dependabot[bot]

package.json

@@ -10,7 +10,7 @@
   },
   "devDependencies": {
     "@lodder/grunt-postcss": "3.1.1",
-    "autoprefixer": "10.4.22",
+    "autoprefixer": "10.4.23",
     "cssnano": "7.1.2",
     "grunt": "1.6.1",
     "grunt-cli": "1.5.0",