mgr/dashboard: bump @angular/cli in /src/pybind/mgr/dashboard/frontend

Bumps [@angular/cli](https://github.com/angular/angular-cli) from 15.2.9 to 18.2.1.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@15.2.9...18.2.1)

---
updated-dependencies:
- dependency-name: "@angular/cli"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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