chore(deps): bump autoprefixer from 10.4.17 to 10.4.20

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 10.4.17 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@10.4.17...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]>

package.json

@@ -11,7 +11,7 @@
     "@xrplf/isomorphic": "^1.0.0-beta.1",
     "@xrplf/prettier-config": "^1.9.1",
     "assert": "^2.1.0",
-    "autoprefixer": "^10.4.17",
+    "autoprefixer": "^10.4.20",
     "axios": "^1.6.5",
     "body-parser": "^1.20.2",
     "bunyan": "^1.8.15",