build(deps): bump posthog-js from 1.237.1 to 1.239.0

Bumps [posthog-js](https://github.com/PostHog/posthog-js) from 1.237.1 to 1.239.0.
- [Release notes](https://github.com/PostHog/posthog-js/releases)
- [Changelog](https://github.com/PostHog/posthog-js/blob/main/CHANGELOG.md)
- [Commits](PostHog/posthog-js@v1.237.1...v1.239.0)

---
updated-dependencies:
- dependency-name: posthog-js
  dependency-version: 1.239.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -46,7 +46,7 @@
     "marked": "^14.1.4",
     "md5": "^2.3.0",
     "moment": "^2.30.1",
-    "posthog-js": "^1.237.1",
+    "posthog-js": "^1.239.0",
     "video.js": "7.21.5",
     "vue": "^3.5.13",
     "vue-loader": "^17.4.2",