chore(deps): bump webpack and @nestjs/cli in /examples/9-nestjs (#831)

Bumps [webpack](https://github.com/webpack/webpack) to 5.76.2 and updates ancestor dependency [@nestjs/cli](https://github.com/nestjs/nest-cli). These dependencies need to be updated together.


Updates `webpack` from 5.73.0 to 5.76.2
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v5.73.0...v5.76.2)

Updates `@nestjs/cli` from 8.2.8 to 9.3.0
- [Release notes](https://github.com/nestjs/nest-cli/releases)
- [Changelog](https://github.com/nestjs/nest-cli/blob/master/.release-it.json)
- [Commits](nestjs/nest-cli@8.2.8...9.3.0)

---
updated-dependencies:
- dependency-name: webpack
  dependency-type: indirect
- dependency-name: "@nestjs/cli"
  dependency-type: direct:development
...

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