chore(deps-dev): bump postcss in /ui/litellm-dashboard

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.6 to 8.5.10.
- [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/8.5.6...8.5.10)

---
updated-dependencies:
- dependency-name: postcss
  dependency-version: 8.5.10
  dependency-type: direct:development
...

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

ui/litellm-dashboard/package-lock.json

@@ -61,7 +61,7 @@
         "eslint-plugin-unused-imports": "4.3.0",
         "jsdom": "27.4.0",
         "knip": "5.83.1",
-        "postcss": "8.5.6",
+        "postcss": "8.5.10",
         "prettier": "3.2.5",
         "tailwindcss": "3.4.19",
         "typescript": "5.9.3",
@@ -9938,9 +9938,9 @@
       }
     },
     "node_modules/postcss": {
-      "version": "8.5.6",
-      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz",
-      "integrity": "sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==",
+      "version": "8.5.10",
+      "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.10.tgz",
+      "integrity": "sha512-pMMHxBOZKFU6HgAZ4eyGnwXF/EvPGGqUr0MnZ5+99485wwW41kW91A4LOGxSHhgugZmSChL5AlElNdwlNgcnLQ==",
       "funding": [
         {
           "type": "opencollective",

ui/litellm-dashboard/package.json

@@ -73,7 +73,7 @@
     "eslint-plugin-unused-imports": "4.3.0",
     "jsdom": "27.4.0",
     "knip": "5.83.1",
-    "postcss": "8.5.6",
+    "postcss": "8.5.10",
     "prettier": "3.2.5",
     "tailwindcss": "3.4.19",
     "typescript": "5.9.3",