chore(deps): bump webpack-dev-server, @angular-devkit/build-angular and @storybook/angular

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) to 5.2.1 and updates ancestor dependencies [webpack-dev-server](https://github.com/webpack/webpack-dev-server), [@angular-devkit/build-angular](https://github.com/angular/angular-cli) and [@storybook/angular](https://github.com/storybookjs/storybook/tree/HEAD/code/frameworks/angular). These dependencies need to be updated together.


Updates `webpack-dev-server` from 4.11.0 to 5.2.1
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](webpack/webpack-dev-server@v4.11.0...v5.2.1)

Updates `@angular-devkit/build-angular` from 14.2.11 to 20.0.2
- [Release notes](https://github.com/angular/angular-cli/releases)
- [Changelog](https://github.com/angular/angular-cli/blob/main/CHANGELOG.md)
- [Commits](angular/angular-cli@14.2.11...20.0.2)

Updates `@storybook/angular` from 7.6.7 to 7.6.20
- [Release notes](https://github.com/storybookjs/storybook/releases)
- [Changelog](https://github.com/storybookjs/storybook/blob/7.6.20/CHANGELOG.md)
- [Commits](https://github.com/storybookjs/storybook/commits/7.6.20/code/frameworks/angular)

---
updated-dependencies:
- dependency-name: webpack-dev-server
  dependency-version: 5.2.1
  dependency-type: indirect
- dependency-name: "@angular-devkit/build-angular"
  dependency-version: 20.0.2
  dependency-type: direct:development
- dependency-name: "@storybook/angular"
  dependency-version: 7.6.20
  dependency-type: direct:development
...

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

Author: dependabot[bot]