Bump postcss from 5.2.18 to 8.4.39

Bumps [postcss](https://github.com/postcss/postcss) from 5.2.18 to 8.4.39.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/commits/8.4.39)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: indirect
...

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

yarn.lock

@@ -6775,7 +6775,7 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/postcss-watch-folder/-/postcss-watch-folder-2.0.0.tgz#0f0b22da8add6cc626be2fd86d099cc7c970b75f"
   integrity sha512-afXH6ow2TFIyCKmQiTjCbjzLOpc1cN4Tsr5J5hctLyQYfIo05pVIiADoKWOaHU8k3Axx/smL6x99Y4dDQyx7fA==
 
-[email protected]:
+[email protected], postcss@^8.3.0, postcss@^8.4.21, postcss@^8.4.32, postcss@^8.4.33, postcss@^8.4.38:
   version "8.4.39"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.39.tgz#aa3c94998b61d3a9c259efa51db4b392e1bde0e3"
   integrity sha512-0vzE+lAiG7hZl1/9I8yzKLx3aR9Xbof3fBHKunvMfOCYAtMhrsnccJY2iTURb9EZd5+pLuiNV9/c/GZJOHsgIw==
@@ -6811,15 +6811,6 @@ postcss@^7.0.17, postcss@^7.0.2:
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.3.0, postcss@^8.4.21, postcss@^8.4.32, postcss@^8.4.33, postcss@^8.4.38:
-  version "8.4.38"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.38.tgz#b387d533baf2054288e337066d81c6bee9db9e0e"
-  integrity sha512-Wglpdk03BSfXkHoQa3b/oulrotAkwrlLDRSOb9D0bN86FdRyE9lppSp33aHNPgBa0JKCoB+drFLZkQoRRYae5A==
-  dependencies:
-    nanoid "^3.3.7"
-    picocolors "^1.0.0"
-    source-map-js "^1.2.0"
-
 prebuild-install@^7.1.1:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/prebuild-install/-/prebuild-install-7.1.2.tgz#a5fd9986f5a6251fbc47e1e5c65de71e68c0a056"