Bump postcss from 8.4.36 to 8.4.38 (#3834)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.36 to 8.4.38.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.36...8.4.38)

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

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

@@ -32,7 +32,7 @@
     "markdown-it": "^13.0.2",
     "markdown-it-anchor": "^8.6.7",
     "markdown-it-attrs": "^4.1.6",
-    "postcss": "^8.4.36",
+    "postcss": "^8.4.38",
     "postcss-cli": "^10.0.0"
   },
   "devDependencies": {