chore(deps-dev): bump @angular-devkit/build-angular in /web

Bumps [@angular-devkit/build-angular](https://github.com/angular/angular-cli) from 12.0.3 to 12.0.4.
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Commits](angular/angular-cli@v12.0.3...v12.0.4)

---
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]>