build(deps): bump autoprefixer from 10.4.14 to 10.4.20

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.14 to 10.4.20.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/main/CHANGELOG.md)
- [Commits](postcss/autoprefixer@10.4.14...10.4.20)

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

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

Author: dependabot[bot]

package.json

@@ -18,7 +18,7 @@
     "@alan-ai/alan-sdk-web": "^1.8.53",
     "@commitlint/cli": "^17.8.0",
     "@commitlint/config-conventional": "^17.6.6",
-    "autoprefixer": "10.4.14",
+    "autoprefixer": "10.4.20",
     "axios": "^1.4.0",
     "eslint": "8.51.0",
     "eslint-config-next": "13.4.12",