build(deps-dev): bump @angular-devkit/build-angular (#2889)

Bumps [@angular-devkit/build-angular](https://github.com/angular/angular-cli) from 21.0.5 to 21.1.0.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@v21.0.5...v21.1.0)

---
updated-dependencies:
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 21.1.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]