fix: upgrade posthog-js from 1.180.0 to 1.215.1

Snyk has created this PR to upgrade posthog-js from 1.180.0 to 1.215.1.

See this package in npm:
posthog-js

See this project in Snyk:
https://app.snyk.io/org/nialljoemaher/project/8ac19f6c-c7f2-4720-acd1-09701979877c?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -93,7 +93,7 @@
     "nodemailer": "^6.9.14",
     "pg": "^8.12.0",
     "postgres": "^3.4.4",
-    "posthog-js": "^1.180.0",
+    "posthog-js": "^1.215.1",
     "prismjs": "^1.29.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",