rev to 4.0.0; prep to publish

[devoncarew]

• rev to 4.0.0; prep to publish

---

• I’ve reviewed the contributor guide and applied the relevant portions to this PR.

Contribution guidelines:

• See our contributor guide for general expectations for PRs.
• Larger or significant changes should be discussed in an issue before creating a PR.
• Contributions to our repos should follow the Dart style guide and use dart format.
• Most changes should add an entry to the changelog and may need to rev the pubspec package version.
• Changes to packages require corresponding tests.

Note that many Dart repos have a weekly cadence for reviewing PRs - please allow for some latency before initial review feedback.

[devoncarew]

I'm going to hold off on landing this for a bit.

[github-actions]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:lints	4.0.0	ready to publish	v4.0.0

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

[goderbauer]

LGTM

[parlough]

Nice! I think it'd be great to get this published, particularly since the release includes no_wildcard_variable_uses and dart-lang/language#3712 is starting to see spec and implementation progress.

[devoncarew]

👍 - we're planning to publish this soon