chore(deps): update dependency posthog-node to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
posthog-node (source)	^4.18.0 -> ^5.0.0

---

Release Notes

PostHog/posthog-js-lite (posthog-node)

v5.0.0

Compare Source

Removed

1. Remove is_simple_flag from PostHogFeatureFlag type
2. Remove captureMode in favor of json capture mode only
3. Remove deprecated personProperties and groupProperties in favor of setPersonPropertiesForFlags and setGroupPropertiesForFlags

## Breaking changes

1. feat: migrate to native fetch, Node 20+ required

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[netlify]

✅ Deploy Preview for commandkit ready!

Name	Link
🔨 Latest commit	958b526
🔍 Latest deploy log	https://app.netlify.com/projects/commandkit/deploys/6848c8fbf095510008487adc
😎 Deploy Preview	https://deploy-preview-242--commandkit.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify project configuration.