Update dependency postcss to v8.5.8

Author: renovate[bot]

yarn.lock

@@ -10078,13 +10078,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8, postcss@npm:^8.4.41":
-  version: 8.5.6
-  resolution: "postcss@npm:8.5.6"
+  version: 8.5.8
+  resolution: "postcss@npm:8.5.8"
   dependencies:
     nanoid: "npm:^3.3.11"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10c0/5127cc7c91ed7a133a1b7318012d8bfa112da9ef092dddf369ae699a1f10ebbd89b1b9f25f3228795b84585c72aabd5ced5fc11f2ba467eedf7b081a66fad024
+  checksum: 10c0/dd918f7127ee7c60a0295bae2e72b3787892296e1d1c3c564d7a2a00c68d8df83cadc3178491259daa19ccc54804fb71ed8c937c6787e08d8bd4bedf8d17044c
   languageName: node
   linkType: hard