fix: backend/package.json & backend/package-lock.json to reduce vulnerabilities (#2281)

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-SUPABASEAUTHJS-10255365

Co-authored-by: snyk-bot <snyk-bot@snyk.io>

Author: baderdean

backend/package-lock.json

@@ -34,7 +34,7 @@
     "@faker-js/faker": "^9.7.0",
     "@sentry/node": "^8.55.0",
     "@sentry/tracing": "^7.120.3",
-    "@supabase/supabase-js": "^2.49.4",
+    "@supabase/supabase-js": "^2.50.0",
     "axios": "^1.9.0",
     "cookie-parser": "^1.4.7",
     "cors": "^2.8.5",