build(deps-dev): bump the majordev group with 2 updates

Bumps the majordev group with 2 updates: [@rollup/plugin-node-resolve](https://github.com/rollup/plugins/tree/HEAD/packages/node-resolve) and [nx](https://github.com/nrwl/nx/tree/HEAD/packages/nx).


Updates `@rollup/plugin-node-resolve` from 15.2.3 to 16.0.0
- [Changelog](https://github.com/rollup/plugins/blob/master/packages/node-resolve/CHANGELOG.md)
- [Commits](https://github.com/rollup/plugins/commits/commonjs-v16.0.0/packages/node-resolve)

Updates `nx` from 19.5.4 to 20.3.2
- [Release notes](https://github.com/nrwl/nx/releases)
- [Commits](https://github.com/nrwl/nx/commits/20.3.2/packages/nx)

---
updated-dependencies:
- dependency-name: "@rollup/plugin-node-resolve"
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: majordev
- dependency-name: nx
  dependency-type: direct:development
  update-type: version-update:semver-major
  dependency-group: majordev
...

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