Bump tree-kill and @angular-devkit/build-angular

Bumps [tree-kill](https://github.com/pkrumins/node-tree-kill) to 1.2.2 and updates ancestor dependency [@angular-devkit/build-angular](https://github.com/angular/angular-cli). These dependencies need to be updated together.


Updates `tree-kill` from 1.2.1 to 1.2.2
- [Release notes](https://github.com/pkrumins/node-tree-kill/releases)
- [Commits](pkrumins/node-tree-kill@v1.2.1...v1.2.2)

Updates `@angular-devkit/build-angular` from 0.803.14 to 0.803.29
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](https://github.com/angular/angular-cli/commits)

---
updated-dependencies:
- dependency-name: tree-kill
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-type: direct:development
...

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