Bump @koa/cors and @strapi/strapi in /strapi

Bumps [@koa/cors](https://github.com/koajs/cors) to 5.0.0 and updates ancestor dependency [@strapi/strapi](https://github.com/strapi/strapi). These dependencies need to be updated together.


Updates `@koa/cors` from 3.4.3 to 5.0.0
- [Changelog](https://github.com/koajs/cors/blob/master/History.md)
- [Commits](koajs/cors@3.4.3...5.0.0)

Updates `@strapi/strapi` from 4.20.5 to 4.22.0
- [Release notes](https://github.com/strapi/strapi/releases)
- [Commits](strapi/strapi@v4.20.5...v4.22.0)

---
updated-dependencies:
- dependency-name: "@koa/cors"
  dependency-type: indirect
- dependency-name: "@strapi/strapi"
  dependency-type: direct:production
...

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