Merge pull request #676 from nextcloud/dependabot/npm_and_yarn/postcss-8.4.8

Author: dependabot[bot]

package-lock.json

@@ -18,7 +18,7 @@
 		"css-loader": "^6.7.1",
 		"json-loader": "0.5.7",
 		"mini-css-extract-plugin": "^2.6.0",
-		"postcss": "^8.4.7",
+		"postcss": "^8.4.8",
 		"postcss-loader": "^6.2.1",
 		"postcss-nested": "^5.0.6",
 		"postcss-preset-env": "^7.4.2",