Bump next and react-email in /supabase/email-templates (#213)

* Bump next and react-email in /supabase/email-templates

Removes [next](https://github.com/vercel/next.js). It's no longer used after updating ancestor dependency [react-email](https://github.com/resend/react-email/tree/HEAD/packages/react-email). These dependencies need to be updated together.


Removes `next`

Updates `react-email` from 3.0.2 to 3.0.4
- [Release notes](https://github.com/resend/react-email/releases)
- [Changelog](https://github.com/resend/react-email/blob/canary/packages/react-email/CHANGELOG.md)
- [Commits](https://github.com/resend/react-email/commits/react-email@3.0.4/packages/react-email)

---
updated-dependencies:
- dependency-name: next
  dependency-type: indirect
- dependency-name: react-email
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update Dependencies

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: ricoberger <mail@ricoberger.de>

supabase/email-templates/package.json

@@ -11,6 +11,6 @@
   },
   "dependencies": {
     "@react-email/components": "^0.0.28",
-    "react-email": "^3.0.2"
+    "react-email": "^3.0.4"
   }
 }