Bump the angular group in /webui with 4 updates (#1375)

Bumps the angular group in /webui with 4 updates: [@angular/cdk](https://github.com/angular/components), [@angular/material](https://github.com/angular/components), [@angular-devkit/build-angular](https://github.com/angular/angular-cli) and [@angular/cli](https://github.com/angular/angular-cli).


Updates `@angular/cdk` from 18.2.8 to 18.2.9
- [Release notes](https://github.com/angular/components/releases)
- [Changelog](https://github.com/angular/components/blob/main/CHANGELOG.md)
- [Commits](angular/components@18.2.8...18.2.9)

Updates `@angular/material` from 18.2.8 to 18.2.9
- [Release notes](https://github.com/angular/components/releases)
- [Changelog](https://github.com/angular/components/blob/main/CHANGELOG.md)
- [Commits](angular/components@18.2.8...18.2.9)

Updates `@angular-devkit/build-angular` from 18.2.8 to 18.2.9
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@18.2.8...18.2.9)

Updates `@angular/cli` from 18.2.8 to 18.2.9
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@18.2.8...18.2.9)

---
updated-dependencies:
- dependency-name: "@angular/cdk"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/material"
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular-devkit/build-angular"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: angular
- dependency-name: "@angular/cli"
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: angular
...

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