mgr/dashboard: bump webpack and @angular-devkit/build-angular

mgr/dashboard: bump webpack and @angular-devkit/build-angular

Bumps [webpack](https://github.com/webpack/webpack) to 5.76.1 and updates ancestor dependency [@angular-devkit/build-angular](https://github.com/angular/angular-cli). These dependencies need to be updated together.

Updates `webpack` from 5.70.0 to 5.76.1
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](https://github.com/webpack/webpack/compare/v5.70.0...v5.76.1)

Updates `@angular-devkit/build-angular` from 13.3.9 to 13.3.11
- [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/compare/13.3.9...13.3.11)

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

Signed-off-by: dependabot[bot] <support@github.com>
(cherry picked from commit a6514bd04a78ab71b6b47706942de3dee9055db5)