Merge pull request #231 from db-ui/dependabot-npm_and_yarn-postcss-8.4.20

build(deps-dev): bump postcss from 8.4.19 to 8.4.20

Author: github-actions[bot]

package-lock.json

@@ -86,7 +86,7 @@
     "nodemon": "^2.0.20",
     "npm-run-all": "^4.1.5",
     "pa11y-ci": "^3.0.1",
-    "postcss": "^8.4.19",
+    "postcss": "^8.4.20",
     "postcss-cli": "^10.1.0",
     "postcss-focus": "^5.0.1",
     "postcss-list-style-safari-fix": "^1.0.0",