chore(deps): bump @angular-devkit/build-angular in /examples/my-ngsw-app

Bumps [@angular-devkit/build-angular](https://github.com/angular/angular-cli) from 16.2.0 to 16.2.6.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@16.2.0...16.2.6)

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

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