Bump postcss from 8.4.29 to 8.4.30 in /web (#751)

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.29 to 8.4.30.
- [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...8.4.30)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web/package-lock.json

@@ -33,7 +33,7 @@
         "eslint-plugin-prettier": "^5.0.0",
         "eslint-plugin-svelte": "^2.33.1",
         "eslint-plugin-vue": "^9.17.0",
-        "postcss": "^8.4.29",
+        "postcss": "^8.4.30",
         "prettier": "3.0.3",
         "svelte": "^4.2.0",
         "svelte-check": "^3.5.1",
@@ -4260,9 +4260,9 @@
       }
     },
     "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": "8.4.30",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.4.30.tgz",
+      "integrity": "sha512-7ZEao1g4kd68l97aWG/etQKPKq07us0ieSZ2TnFDk11i0ZfDW2AwKHYU8qv4MZKqN2fdBfg+7q0ES06UA73C1g==",
       "funding": [
         {
           "type": "opencollective",

web/package.json

@@ -26,7 +26,7 @@
     "eslint-plugin-prettier": "^5.0.0",
     "eslint-plugin-svelte": "^2.33.1",
     "eslint-plugin-vue": "^9.17.0",
-    "postcss": "^8.4.29",
+    "postcss": "^8.4.30",
     "prettier": "3.0.3",
     "svelte": "^4.2.0",
     "svelte-check": "^3.5.1",