Bump @nx/webpack from 17.2.8 to 19.0.0 (#245)

Bumps [@nx/webpack](https://github.com/nrwl/nx/tree/HEAD/packages/webpack) from 17.2.8 to 19.0.0.
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/19.0.0/packages/webpack)

---
updated-dependencies:
- dependency-name: "@nx/webpack"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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