Bump @angular/cli from 6.0.8 to 8.3.2

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 6.0.8 to 8.3.2.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](https://github.com/angular/angular-cli/commits/v8.3.2)

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

Author: dependabot-preview[bot]