fix(deps): update dependency postcss to v8.5.6

Author: renovate[bot]

yarn.lock

@@ -12238,15 +12238,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"nanoid@npm:^3.3.8":
-  version: 3.3.8
-  resolution: "nanoid@npm:3.3.8"
-  bin:
-    nanoid: bin/nanoid.cjs
-  checksum: 10/2d1766606cf0d6f47b6f0fdab91761bb81609b2e3d367027aff45e6ee7006f660fb7e7781f4a34799fe6734f1268eeed2e37a5fdee809ade0c2d4eb11b0f9c40
-  languageName: node
-  linkType: hard
-
 "negotiator@npm:0.6.3, negotiator@npm:^0.6.3":
   version: 0.6.3
   resolution: "negotiator@npm:0.6.3"
@@ -13856,25 +13847,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.21, postcss@npm:^8.4.24, postcss@npm:^8.4.26, postcss@npm:^8.4.33, postcss@npm:^8.4.38, postcss@npm:^8.4.47, postcss@npm:^8.5.1":
-  version: 8.5.3
-  resolution: "postcss@npm:8.5.3"
-  dependencies:
-    nanoid: "npm:^3.3.8"
-    picocolors: "npm:^1.1.1"
-    source-map-js: "npm:^1.2.1"
-  checksum: 10/6d7e21a772e8b05bf102636918654dac097bac013f0dc8346b72ac3604fc16829646f94ea862acccd8f82e910b00e2c11c1f0ea276543565d278c7ca35516a7c
-  languageName: node
-  linkType: hard
-
-"postcss@npm:^8.5.4":
-  version: 8.5.5
-  resolution: "postcss@npm:8.5.5"
+"postcss@npm:^8.4.21, postcss@npm:^8.4.24, postcss@npm:^8.4.26, postcss@npm:^8.4.33, postcss@npm:^8.4.38, postcss@npm:^8.4.47, postcss@npm:^8.5.1, postcss@npm:^8.5.4":
+  version: 8.5.6
+  resolution: "postcss@npm:8.5.6"
   dependencies:
     nanoid: "npm:^3.3.11"
     picocolors: "npm:^1.1.1"
     source-map-js: "npm:^1.2.1"
-  checksum: 10/c80f723c754b656bf7c983e34841fa35fe0c37a13edd27e24de64e7962cfab11ea081b3b1c900838d2dbe576a045fdecad4f17862c488f12735742f525d22cf0
+  checksum: 10/9e4fbe97574091e9736d0e82a591e29aa100a0bf60276a926308f8c57249698935f35c5d2f4e80de778d0cbb8dcffab4f383d85fd50c5649aca421c3df729b86
   languageName: node
   linkType: hard