- Replace `package:js` usage with `dart:js_interop`
- Remove and ignore `package-lock.json` since it keeps causing security
warnings: https://github.com/flutter/samples/security/dependabot. It's
not necessary for this sample and the constraints already present in the
`package.json`.
- Update to Angular 17.1
## Pre-launch Checklist
- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I updated/added relevant documentation (doc comments with `///`).
- [ ] All existing and new tests are passing.
---------
Co-authored-by: David Iglesias <ditman@gmail.com>
Co-authored-by: Mark Thompson <2554588+MarkTechson@users.noreply.github.com>
Co-authored-by: John Ryan <ryjohn@google.com>
