chore(deps): bump postcss from 8.4.35 to 8.5.18

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.35 to 8.5.18.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.35...8.5.18)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.18
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -112,7 +112,7 @@
     "node-polyfill-webpack-plugin": "^2.0.1",
     "nodemon": "^2.0.19",
     "parse5": "^7.1.2",
-    "postcss": "^8.4.25",
+    "postcss": "^8.5.18",
     "postcss-loader": "^7.3.3",
     "prettier": "^2.8.1",
     "prom-client": "^14.0.1",

yarn.lock

@@ -15567,7 +15567,7 @@ __metadata:
     nodemon: ^2.0.19
     parse5: ^7.1.2
     parse5-htmlparser2-tree-adapter: ^7.0.0
-    postcss: ^8.4.25
+    postcss: ^8.5.18
     postcss-loader: ^7.3.3
     prettier: ^2.8.1
     prom-client: ^14.0.1