fix(deps): update dependency postcss to ^8.4.5

Author: renovate-bot

package.json

@@ -35,7 +35,7 @@
     "commander": "^8.1.0",
     "css-modules-loader-core": "^1.1.0",
     "lodash": "^4.17.21",
-    "postcss": "^8.3.6",
+    "postcss": "^8.4.5",
     "postcss-nested": "^5.0.6",
     "postcss-scss": "^4.0.0",
     "postcss-selector-parser": "^6.0.6",

yarn.lock

@@ -6252,7 +6252,7 @@ postcss@7.x.x, postcss@^7.0.14, postcss@^7.0.2, postcss@^7.0.21, postcss@^7.0.26
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.3.6:
+postcss@^8.4.5:
   version "8.4.5"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.5.tgz#bae665764dfd4c6fcc24dc0fdf7e7aa00cc77f95"
   integrity sha512-jBDboWM8qpaqwkMwItqTQTiFikhs/67OYVvblFFTM7MrZjt6yMKd6r2kgXizEbTTljacm4NldIlZnhbjr84QYg==