build(deps): bump loader-utils and next

Bumps [loader-utils](https://github.com/webpack/loader-utils) to 2.0.3 and updates ancestor dependency [next](https://github.com/vercel/next.js). These dependencies need to be updated together.


Updates `loader-utils` from 2.0.0 to 2.0.3
- [Release notes](https://github.com/webpack/loader-utils/releases)
- [Changelog](https://github.com/webpack/loader-utils/blob/v2.0.3/CHANGELOG.md)
- [Commits](https://github.com/webpack/loader-utils/compare/v2.0.0...v2.0.3)

Updates `next` from 10.2.0 to 13.0.2
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v10.2.0...v13.0.2)

---
updated-dependencies:
- dependency-name: loader-utils
  dependency-type: indirect
- dependency-name: next
  dependency-type: direct:production
...

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

package.json

@@ -30,7 +30,7 @@
     "i18next-localstorage-backend": "^3.1.2",
     "i18next-text": "^0.5.6",
     "mailgun.js": "^3.3.2",
-    "next": "^10.2.0",
+    "next": "^13.0.2",
     "next-i18next": "^8.2.0",
     "query-string": "^7.0.0",
     "react": "^17.0.2",