feat: upgrade chart.js from 3.9.1 to 4.4.8

Snyk has created this PR to upgrade chart.js from 3.9.1 to 4.4.8.

See this package in npm:
chart.js

See this project in Snyk:
https://app.snyk.io/org/nerds-github/project/ef708957-d107-4807-bb9b-ffb67ea15337?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

dashboard/package.json

@@ -17,7 +17,7 @@
     "@getbrevo/brevo": "^2.2.0",
     "@nuxtjs/tailwindcss": "^6.12.0",
     "@supabase/supabase-js": "^2.45.4",
-    "chart.js": "^3.9.1",
+    "chart.js": "^4.4.8",
     "chartjs-chart-funnel": "^4.2.1",
     "chartjs-plugin-annotation": "^2.2.1",
     "date-fns": "^3.6.0",