Bump ejs, yeoman-generator and yeoman-test in /packages/cli

Bumps [ejs](https://github.com/mde/ejs) to 3.1.10 and updates ancestor dependencies [ejs](https://github.com/mde/ejs), [yeoman-generator](https://github.com/yeoman/generator) and [yeoman-test](https://github.com/yeoman/yeoman-test). These dependencies need to be updated together.


Updates `ejs` from 2.6.2 to 3.1.10
- [Release notes](https://github.com/mde/ejs/releases)
- [Commits](mde/ejs@v2.6.2...v3.1.10)

Updates `yeoman-generator` from 3.2.0 to 7.1.1
- [Release notes](https://github.com/yeoman/generator/releases)
- [Commits](yeoman/generator@v3.2.0...v7.1.1)

Updates `yeoman-test` from 1.9.1 to 8.2.0
- [Release notes](https://github.com/yeoman/yeoman-test/releases)
- [Commits](yeoman/yeoman-test@v1.9.1...v8.2.0)

---
updated-dependencies:
- dependency-name: ejs
  dependency-type: indirect
- dependency-name: yeoman-generator
  dependency-type: direct:production
- dependency-name: yeoman-test
  dependency-type: direct:development
...

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