chore(deps): update dependency postcss to v8.3.1 (#42426)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

client/package-lock.json

@@ -14201,9 +14201,9 @@
       "integrity": "sha1-AerA/jta9xoqbAL+q7jB/vfgDqs="
     },
     "postcss": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.0.tgz",
-      "integrity": "sha512-+ogXpdAjWGa+fdYY5BQ96V/6tAo+TdSSIMP5huJBIygdWwKtVoB5JWZ7yUd4xZ8r+8Kvvx4nyg/PQ071H4UtcQ==",
+      "version": "8.3.1",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.3.1.tgz",
+      "integrity": "sha512-9qH0MGjsSm+fjxOi3GnwViL1otfi7qkj+l/WX5gcRGmZNGsIcqc+A5fBkE6PUobEQK4APqYVaES+B3Uti98TCw==",
       "requires": {
         "colorette": "^1.2.2",
         "nanoid": "^3.1.23",

client/package.json

@@ -88,7 +88,7 @@
     "nanoid": "3.1.23",
     "normalize-url": "6.0.1",
     "path-browserify": "1.0.1",
-    "postcss": "8.3.0",
+    "postcss": "8.3.1",
     "prismjs": "1.23.0",
     "process": "0.11.10",
     "prop-types": "15.7.2",