build(deps): bump @angular/common, @angular/platform-browser, @angular/platform-browser-dynamic, @angular/router and @angular/forms

Bumps [@angular/common](https://github.com/angular/angular/tree/HEAD/packages/common), [@angular/platform-browser](https://github.com/angular/angular/tree/HEAD/packages/platform-browser), [@angular/platform-browser-dynamic](https://github.com/angular/angular/tree/HEAD/packages/platform-browser-dynamic), [@angular/router](https://github.com/angular/angular/tree/HEAD/packages/router) and [@angular/forms](https://github.com/angular/angular/tree/HEAD/packages/forms). These dependencies needed to be updated together.

Updates `@angular/common` from 18.2.13 to 21.0.6
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v21.0.6/packages/common)

Updates `@angular/platform-browser` from 18.2.13 to 21.0.6
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v21.0.6/packages/platform-browser)

Updates `@angular/platform-browser-dynamic` from 18.2.13 to 21.0.6
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v21.0.6/packages/platform-browser-dynamic)

Updates `@angular/router` from 18.2.13 to 21.0.6
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v21.0.6/packages/router)

Updates `@angular/forms` from 18.2.13 to 21.0.6
- [Release notes](https://github.com/angular/angular/releases)
- [Changelog](https://github.com/angular/angular/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular/commits/v21.0.6/packages/forms)

---
updated-dependencies:
- dependency-name: "@angular/common"
  dependency-version: 21.0.6
  dependency-type: direct:production
- dependency-name: "@angular/platform-browser"
  dependency-version: 21.0.6
  dependency-type: direct:production
- dependency-name: "@angular/platform-browser-dynamic"
  dependency-version: 21.0.6
  dependency-type: direct:production
- dependency-name: "@angular/router"
  dependency-version: 21.0.6
  dependency-type: direct:production
- dependency-name: "@angular/forms"
  dependency-version: 21.0.6
  dependency-type: direct:development
...

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

Author: dependabot[bot]