chore(deps): bump postcss from 8.3.6 to 8.4.31

Bumps [postcss](https://github.com/postcss/postcss) from 8.3.6 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.3.6...8.4.31)

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

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

yarn.lock

@@ -18236,21 +18236,12 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.1.23":
-  version: 3.1.25
-  resolution: "nanoid@npm:3.1.25"
+"nanoid@npm:^3.3.6":
+  version: 3.3.6
+  resolution: "nanoid@npm:3.3.6"
   bin:
     nanoid: bin/nanoid.cjs
-  checksum: e2353828c7d8fde65265e9c981380102e2021f292038a93fd27288bad390339833286e8cbc7531abe1cb2c6b317e55f38b895dcb775151637bb487388558e0ff
-  languageName: node
-  linkType: hard
-
-"nanoid@npm:^3.3.4":
-  version: 3.3.4
-  resolution: "nanoid@npm:3.3.4"
-  bin:
-    nanoid: bin/nanoid.cjs
-  checksum: 2fddd6dee994b7676f008d3ffa4ab16035a754f4bb586c61df5a22cf8c8c94017aadd360368f47d653829e0569a92b129979152ff97af23a558331e47e37cd9c
+  checksum: 7d0eda657002738aa5206107bd0580aead6c95c460ef1bdd0b1a87a9c7ae6277ac2e9b945306aaa5b32c6dcb7feaf462d0f552e7f8b5718abfc6ead5c94a71b3
   languageName: node
   linkType: hard
 
@@ -19353,25 +19344,14 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.1.10":
-  version: 8.3.6
-  resolution: "postcss@npm:8.3.6"
+"postcss@npm:^8.1.10, postcss@npm:^8.4.14":
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
   dependencies:
-    colorette: ^1.2.2
-    nanoid: ^3.1.23
-    source-map-js: ^0.6.2
-  checksum: ff55b91bea21f42c2a94d77fd05c3f66dd15889c68506cf1dbb9cdee8c3b9e9d0e219bcbc6e61a107bd63e3cac0670176486e2a5794c106a4e1b9babceb79317
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.4.14":
-  version: 8.4.16
-  resolution: "postcss@npm:8.4.16"
-  dependencies:
-    nanoid: ^3.3.4
+    nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: 10eee25efd77868036403858577da0cefaf2e0905feeaba5770d5438ccdddba3d01cba8063e96b8aac4c6daa0ed413dd5ae0554a433a3c4db38df1d134cffc1f
+  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
   languageName: node
   linkType: hard
 
@@ -21577,13 +21557,6 @@ resolve@^1.3.2:
   languageName: node
   linkType: hard
 
-"source-map-js@npm:^0.6.2":
-  version: 0.6.2
-  resolution: "source-map-js@npm:0.6.2"
-  checksum: 9c8151a29e00fd8d3ba87709fdf9a9ce48313d653f4a29a39b4ae53d346ac79e005de624796ff42eff55cbaf26d2e87f4466001ca87831d400d818c5cf146a0e
-  languageName: node
-  linkType: hard
-
 "source-map-js@npm:^1.0.2":
   version: 1.0.2
   resolution: "source-map-js@npm:1.0.2"