fix(deps): update posthog dependencies

Author: renovate[bot]

package.json

@@ -78,8 +78,8 @@
     "isbot": "4.4.0",
     "jose": "5.2.0",
     "js-cookie": "3.0.5",
-    "posthog-js": "1.98.2",
-    "posthog-node": "3.5.0",
+    "posthog-js": "1.103.1",
+    "posthog-node": "3.6.1",
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-i18next": "14.0.1",