fix: ci update to postcss 8.2

Author: Ffloriel

packages/postcss-purgecss/package-lock.json

@@ -29,10 +29,10 @@
     "purgecss": "^3.1.0-alpha.0"
   },
   "devDependencies": {
-    "postcss": "^8.1.3",
+    "postcss": "^8.2.1",
     "postcss7": "npm:postcss@7.0.34"
   },
   "peerDependencies": {
-    "postcss": "^8.1.3"
+    "postcss": "^8.2.0"
   }
 }

packages/postcss-purgecss/package.json

@@ -41,7 +41,7 @@
   "dependencies": {
     "commander": "^6.0.0",
     "glob": "^7.0.0",
-    "postcss": "^8.0.9",
+    "postcss": "^8.2.1",
     "postcss-selector-parser": "^6.0.2"
   },
   "devDependencies": {