chore(deps): bump the low-risk group across 1 directory with 2 updates

Bumps the low-risk group with 2 updates in the / directory: [lucide-react](https://github.com/lucide-icons/lucide/tree/HEAD/packages/lucide-react) and [posthog-js](https://github.com/PostHog/posthog-js).


Updates `lucide-react` from 0.381.0 to 0.395.0
- [Release notes](https://github.com/lucide-icons/lucide/releases)
- [Commits](https://github.com/lucide-icons/lucide/commits/0.395.0/packages/lucide-react)

Updates `posthog-js` from 1.139.1 to 1.139.4
- [Release notes](https://github.com/PostHog/posthog-js/releases)
- [Changelog](https://github.com/PostHog/posthog-js/blob/main/CHANGELOG.md)
- [Commits](PostHog/posthog-js@v1.139.1...v1.139.4)

---
updated-dependencies:
- dependency-name: lucide-react
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: low-risk
- dependency-name: posthog-js
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: low-risk
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -38,14 +38,14 @@
     "geist": "^1.3.0",
     "gpt3-tokenizer": "^1.1.5",
     "langfuse": "3.11.2",
-    "lucide-react": "^0.381.0",
+    "lucide-react": "^0.395.0",
     "next": "^14.2.4",
     "next-sitemap": "^4.2.3",
     "nextra": "^2.13.4",
     "nextra-theme-docs": "^2.13.4",
     "openai-edge": "^1.2.2",
     "postcss": "^8.4.38",
-    "posthog-js": "^1.136.4",
+    "posthog-js": "^1.139.4",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-hook-form": "^7.51.5",