chore(deps): bump posthog-node from 4.7.0 to 5.5.1

---
updated-dependencies:
- dependency-name: posthog-node
  dependency-version: 5.5.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -22,7 +22,7 @@
     "chalk": "^5.4.1",
     "commander": "^12.1.0",
     "octokit": "^4.1.2",
-    "posthog-node": "^4.7.0",
+    "posthog-node": "^5.5.1",
     "semver": "^7.6.3",
     "undici": "^7.3.0",
     "winston": "^3.17.0"