Update dependency postcss to v8.2.1

Author: renovate-bot

package.json

@@ -47,7 +47,7 @@
 		"eslint-config-recommended": "4.1.0",
 		"file-loader": "6.2.0",
 		"mini-css-extract-plugin": "1.3.2",
-		"postcss": "8.2.0",
+		"postcss": "8.2.1",
 		"postcss-calc": "7.0.5",
 		"postcss-cli": "8.3.0",
 		"postcss-custom-media": "7.0.8",

yarn.lock

@@ -9593,10 +9593,10 @@ postcss@7.0.7:
     source-map "^0.6.1"
     supports-color "^5.5.0"
 
-postcss@8.2.0:
-  version "8.2.0"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.0.tgz#214be4eda36db762eb8a89d7c7362b9341156eb5"
-  integrity sha512-vZ8cb6AlN53hHlnPvR+oj7fA46LU05Ysv7O7sNh1ixQrCbtx+d8/h+5tDER9XAccVhkf3aYskAiWmh0DdjNLbw==
+postcss@8.2.1:
+  version "8.2.1"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.1.tgz#eabc5557c4558059b9d9e5b15bce7ffa9089c2a8"
+  integrity sha512-RhsqOOAQzTgh1UB/IZdca7F9WDb7SUCR2Vnv1x7DbvuuggQIpoDwjK+q0rzoPffhYvWNKX5JSwS4so4K3UC6vA==
   dependencies:
     colorette "^1.2.1"
     nanoid "^3.1.20"