Bump autoprefixer from 10.2.1 to 10.2.3 (#47)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.2.1 to 10.2.3.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.2.1...10.2.3)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

package-lock.json

@@ -2,7 +2,7 @@
   "name": "sponge-docs-theme",
   "private": true,
   "devDependencies": {
-    "autoprefixer": "^10.2.1",
+    "autoprefixer": "^10.2.3",
     "cldr-core": "^38.0.0",
     "cldr-localenames-modern": "^38.0.0",
     "cldrjs": "^0.5.5",