deps(example): bump the dependencies group

Bumps the dependencies group in /examples/nestjs-graphql with 2 updates: [@nestjs/core](https://github.com/nestjs/nest/tree/HEAD/packages/core) and [@nestjs/platform-express](https://github.com/nestjs/nest/tree/HEAD/packages/platform-express).


Updates `@nestjs/core` from 10.4.15 to 11.0.1
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v11.0.1/packages/core)

Updates `@nestjs/platform-express` from 10.4.15 to 11.0.1
- [Release notes](https://github.com/nestjs/nest/releases)
- [Commits](https://github.com/nestjs/nest/commits/v11.0.1/packages/platform-express)

---
updated-dependencies:
- dependency-name: "@nestjs/core"
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
- dependency-name: "@nestjs/platform-express"
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: dependencies
...

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