Enable `unsafe_variance` check in `analysis_options.yaml`
Open
enhancement
- Dominant language
- Dart
- Stars
- 489
- Forks
- 88
- Avg merge
- 3d 23h
- Merged PRs (30d)
- 10
Description
### Motivation
The `unsafe_variance` lint is valuable, but needs a little work to enable.
### Desired solution
Enable the lint and fix any issues.
### Alternatives considered
_No response_
### Additional details
_No response_
Contributor guide
Assessment
This issue has not been assessed yet.