Bump @angular-devkit/schematics in /src/Web/WebSPA/Client

Bumps [@angular-devkit/schematics](https://github.com/angular/angular-cli) from 17.3.1 to 21.0.2.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@17.3.1...21.0.2)

---
updated-dependencies:
- dependency-name: "@angular-devkit/schematics"
  dependency-version: 21.0.2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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