build(deps-dev): bump postcss from 8.4.21 to 8.4.31 (#891)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

yarn.lock

@@ -20488,47 +20488,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^7.0.30 || ^8.0.0":
-  version: 8.4.19
-  resolution: "postcss@npm:8.4.19"
-  dependencies:
-    nanoid: ^3.3.4
-    picocolors: ^1.0.0
-    source-map-js: ^1.0.2
-  checksum: 62782723a385f92b7525f66d29614624de7c5643855423db3a5efd9287e677650300192749adddbbb6734cea9b1d5f5fd4f6ea00ca3f9a95dbbb88f835f5ca64
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.0.0, postcss@npm:^8.4.16, postcss@npm:^8.4.21":
-  version: 8.4.21
-  resolution: "postcss@npm:8.4.21"
-  dependencies:
-    nanoid: ^3.3.4
-    picocolors: ^1.0.0
-    source-map-js: ^1.0.2
-  checksum: e39ac60ccd1542d4f9d93d894048aac0d686b3bb38e927d8386005718e6793dbbb46930f0a523fe382f1bbd843c6d980aaea791252bf5e176180e5a4336d9679
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.4.19":
-  version: 8.4.22
-  resolution: "postcss@npm:8.4.22"
-  dependencies:
-    nanoid: ^3.3.6
-    picocolors: ^1.0.0
-    source-map-js: ^1.0.2
-  checksum: 7473dfb7ac5b4cb03576c39d687d7fc02c826ab08af97df15b5d3970662532d44a18a0994f392a9c3658ee17c292e7a55990e586b90ca0afcc9f36df13e07029
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.4.24":
-  version: 8.4.25
-  resolution: "postcss@npm:8.4.25"
+"postcss@npm:^7.0.30 || ^8.0.0, postcss@npm:^8.0.0, postcss@npm:^8.4.16, postcss@npm:^8.4.19, postcss@npm:^8.4.21, postcss@npm:^8.4.24":
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
   dependencies:
     nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: 9ed3ab8af43ad5210c28f56f916fd9b8c9f94fbeaebbf645dcf579bc28bdd8056c2a7ecc934668d399b81fedb6128f0c4b299f931e50454964bc911c25a3a0a2
+  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
   languageName: node
   linkType: hard