chore(deps): bump postcss from 8.4.25 to 8.4.31

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.25 to 8.4.31.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.25...8.4.31)

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

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

package.json

@@ -168,7 +168,7 @@
     "nx": "^16.9.1",
     "nx-cloud": "16.4.0",
     "persistgraphql": "^0.3.11",
-    "postcss": "^8.4.27",
+    "postcss": "^8.4.31",
     "react-test-renderer": "^18.2.0",
     "reflect-metadata": "^0.1.13",
     "stylelint": "^15.10.1",

packages/fxa-settings/package.json

@@ -162,7 +162,7 @@
     "jest-watch-typeahead": "^1.0.0",
     "lodash.groupby": "^4.6.0",
     "mini-css-extract-plugin": "^2.4.5",
-    "postcss": "^8.4.4",
+    "postcss": "^8.4.31",
     "postcss-flexbugs-fixes": "^5.0.2",
     "postcss-loader": "^6.2.1",
     "postcss-normalize": "^10.0.1",

yarn.lock

@@ -34901,7 +34901,7 @@ fsevents@~2.1.1:
     mini-css-extract-plugin: ^2.4.5
     mutationobserver-shim: ^0.3.7
     pm2: ^5.3.0
-    postcss: ^8.4.4
+    postcss: ^8.4.31
     postcss-assets: ^6.0.0
     postcss-flexbugs-fixes: ^5.0.2
     postcss-import: ^15.1.0
@@ -35143,7 +35143,7 @@ fsevents@~2.1.1:
     passport: ^0.6.0
     persistgraphql: ^0.3.11
     pm2: ^5.3.0
-    postcss: ^8.4.27
+    postcss: ^8.4.31
     prettier: ^2.6.2
     react: ^18.2.0
     react-dom: ^18.2.0
@@ -50737,14 +50737,14 @@ fsevents@~2.1.1:
   languageName: node
   linkType: hard
 
-"postcss@npm:^8.4.27":
-  version: 8.4.29
-  resolution: "postcss@npm:8.4.29"
+"postcss@npm:^8.4.31":
+  version: 8.4.31
+  resolution: "postcss@npm:8.4.31"
   dependencies:
     nanoid: ^3.3.6
     picocolors: ^1.0.0
     source-map-js: ^1.0.2
-  checksum: dd6daa25e781db9ae5b651d9b7bfde0ec6e60e86a37da69a18eb4773d5ddd51e28fc4ff054fbdc04636a31462e6bf09a1e50986f69ac52b10d46b7457cd36d12
+  checksum: 1d8611341b073143ad90486fcdfeab49edd243377b1f51834dc4f6d028e82ce5190e4f11bb2633276864503654fb7cab28e67abdc0fbf9d1f88cad4a0ff0beea
   languageName: node
   linkType: hard