chore(dependencies): update multiple dependencies to latest versions (#301)

- Upgraded `@supabase/supabase-js` to `2.51.0`
- Bumped `@tanstack/react-query` to `5.83.0`
- Incremented `next` and related packages to `15.4.1`
- Miscellaneous upgrades including `@react-email/components`, `eslint`, and `cssnano`.

packages/features/accounts/package.json

@@ -34,12 +34,12 @@
     "@kit/tsconfig": "workspace:*",
     "@kit/ui": "workspace:*",
     "@radix-ui/react-icons": "^1.3.2",
-    "@supabase/supabase-js": "2.50.5",
-    "@tanstack/react-query": "5.82.0",
+    "@supabase/supabase-js": "2.51.0",
+    "@tanstack/react-query": "5.83.0",
     "@types/react": "19.1.8",
     "@types/react-dom": "19.1.6",
     "lucide-react": "^0.525.0",
-    "next": "15.3.5",
+    "next": "15.4.1",
     "next-themes": "0.4.6",
     "react": "19.1.0",
     "react-dom": "19.1.0",