Bump postcss from 8.4.29 to 8.4.31 in /extensions/react-widget

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.29 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/8.4.29...8.4.31)

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

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

extensions/react-widget/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "docsgpt",
-  "version": "0.2.3",
+  "version": "0.2.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "docsgpt",
-      "version": "0.2.3",
+      "version": "0.2.4",
       "license": "Apache-2.0",
       "dependencies": {
         "postcss-cli": "^10.1.0",
@@ -19,7 +19,7 @@
         "@types/react-dom": "^18.0.9",
         "@vitejs/plugin-react-swc": "^3.0.0",
         "autoprefixer": "^10.4.13",
-        "postcss": "^8.4.20",
+        "postcss": "^8.4.31",
         "typescript": "^4.9.3",
         "vite": "^4.0.0",
         "vite-plugin-dts": "^1.7.1"
@@ -1784,9 +1784,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.4.29",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.29.tgz",
-      "integrity": "sha512-cbI+jaqIeu/VGqXEarWkRCCffhjgXc0qjBtXpqJhTBohMUjUQnbBr0xqX3vEKudc4iviTewcJo5ajcec5+wdJw==",
+      "version": "8.4.31",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.31.tgz",
+      "integrity": "sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==",
       "funding": [
         {
           "type": "opencollective",

extensions/react-widget/package.json

@@ -38,7 +38,7 @@
     "@types/react-dom": "^18.0.9",
     "@vitejs/plugin-react-swc": "^3.0.0",
     "autoprefixer": "^10.4.13",
-    "postcss": "^8.4.20",
+    "postcss": "^8.4.31",
     "typescript": "^4.9.3",
     "vite": "^4.0.0",
     "vite-plugin-dts": "^1.7.1"