Update postcss to version 8.2.4

Author: depfu[bot]

package.json

@@ -48,7 +48,7 @@
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-prettier": "^3.3.1",
     "jest": "^26.6.3",
-    "postcss": "^8.2.2",
+    "postcss": "^8.2.4",
     "prettier": "^2.2.1",
     "rimraf": "^3.0.0"
   },

yarn.lock

@@ -4565,10 +4565,10 @@ postcss@^8.2.1:
     nanoid "^3.1.20"
     source-map "^0.6.1"
 
-postcss@^8.2.2:
-  version "8.2.2"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.2.tgz#60613b62297005084fd21024a68637798864fe26"
-  integrity sha512-HM1NDNWLgglJPQQMNwvLxgH2KcrKZklKLi/xXYIOaqQB57p/pDWEJNS83PVICYsn1Dg/9C26TiejNr422/ePaQ==
+postcss@^8.2.4:
+  version "8.2.4"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.4.tgz#20a98a39cf303d15129c2865a9ec37eda0031d04"
+  integrity sha512-kRFftRoExRVXZlwUuay9iC824qmXPcQQVzAjbCCgjpXnkdMCJYBu2gTwAaFBzv8ewND6O8xFb3aELmEkh9zTzg==
   dependencies:
     colorette "^1.2.1"
     nanoid "^3.1.20"