fix(deps): update dependency posthog-node to v5.18.0 (#1523)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -28,7 +28,7 @@
     "libsodium-wrappers": "0.7.15",
     "mongoose": "8.20.4",
     "opusscript": "0.1.1",
-    "posthog-node": "5.17.4",
+    "posthog-node": "5.18.0",
     "tweetnacl": "1.0.3",
     "utf-8-validate": "6.0.6"
   },