Update dependency postcss to v8.4.31 [SECURITY]

yarn.lock

@@ -18207,12 +18207,12 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.1, nanoid@npm:^3.3.4":
-  version: 3.3.4
-  resolution: "nanoid@npm:3.3.4"
+"nanoid@npm:^3.3.1, nanoid@npm:^3.3.6":
+  version: 3.3.6
+  resolution: "nanoid@npm:3.3.6"
   bin:
     nanoid: bin/nanoid.cjs
-  checksum: a0747d5c6021828fe8d38334e5afb05d3268d7d4b06024058ec894ccc47070e4e81d268a6b75488d2ff3485fa79a75c251d4b7c6f31051bb54bb662b6fd2a27d
+  checksum: 606b355960d0fcbe3d27924c4c52ef7d47d3b57208808ece73279420d91469b01ec1dce10fae512b6d4a8c5a5432b352b228336a8b2202a6ea68e67fa348e2ee
   languageName: node
   linkType: hard
 
@@ -20096,13 +20096,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.2.15, postcss@npm:^8.3.5, postcss@npm:^8.4.12, postcss@npm:^8.4.6, postcss@npm:^8.4.7":
-  version: 8.4.14
-  resolution: "postcss@npm:8.4.14"
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
   dependencies:
-    nanoid: ^3.3.4
+    nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: 2a4cfa28e2f1bfd358313501f7771bd596e494487c7b735c492e2f8b1faf493d24fcb43e2e6ad825863fc65a77abb949ca8f228602ae46a022f02dc812c4ac8b
+  checksum: 748b82e6e5fc34034dcf2ae88ea3d11fd09f69b6c50ecdd3b4a875cfc7cdca435c958b211e2cb52355422ab6fccb7d8f2f2923161d7a1b281029e4a913d59acf
   languageName: node
   linkType: hard