chore(deps): bump posthog-node in /packages/traceloop-sdk

Bumps [posthog-node](https://github.com/PostHog/posthog-js-lite/tree/HEAD/posthog-node) from 3.6.3 to 4.2.0.
- [Release notes](https://github.com/PostHog/posthog-js-lite/releases)
- [Changelog](https://github.com/PostHog/posthog-js-lite/blob/main/posthog-node/CHANGELOG.md)
- [Commits](https://github.com/PostHog/posthog-js-lite/commits/posthog-node-v4.2.0/posthog-node)

---
updated-dependencies:
- dependency-name: posthog-node
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/traceloop-sdk/package.json

@@ -53,7 +53,7 @@
     "cross-fetch": "^4.0.0",
     "fetch-retry": "^5.0.6",
     "nunjucks": "^3.2.4",
-    "posthog-node": "^3.6.3",
+    "posthog-node": "^4.2.0",
     "supports-color": "^8.1.1",
     "uuid": "^9.0.1"
   },