chore(deps): bump posthog-js from 1.234.9 to 1.235.6

Bumps [posthog-js](https://github.com/PostHog/posthog-js) from 1.234.9 to 1.235.6.
- [Release notes](https://github.com/PostHog/posthog-js/releases)
- [Changelog](https://github.com/PostHog/posthog-js/blob/main/CHANGELOG.md)
- [Commits](PostHog/posthog-js@v1.234.9...v1.235.6)

---
updated-dependencies:
- dependency-name: posthog-js
  dependency-version: 1.235.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package.json

@@ -20,7 +20,7 @@
     "@tabler/icons-react": "3.31.0",
     "@turf/turf": "7.2.0",
     "maplibre-gl": "5.3.0",
-    "posthog-js": "1.234.9",
+    "posthog-js": "1.235.6",
     "react": "18.3.1",
     "react-dom": "18.3.1",
     "serialize-query-params": "2.0.2",