Bump ejs and nuxt

Removes [ejs](https://github.com/mde/ejs). It's no longer used after updating ancestor dependency [nuxt](https://github.com/nuxt/framework). These dependencies need to be updated together.


Removes `ejs`

Updates `nuxt` from 1.4.2 to 3.0.0
- [Release notes](https://github.com/nuxt/framework/releases)
- [Commits](https://github.com/nuxt/framework/commits/v3.0.0)

---
updated-dependencies:
- dependency-name: ejs
  dependency-type: indirect
- dependency-name: nuxt
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>