Require Dart 3.4, test wasm on 3.4, prepare release (#349)

prep for publishing 1.18.0 (#299)

Bump actions/checkout from 3.5.0 to 3.5.2 (#282)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3.5.0 to 3.5.2.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@8f4b7f8...8e5e7e5)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

add a publish script; prep to publish (#267)

* blast_repo fixes

auto-publish

* rev to 1.17.1

update CI config; prep for publishing (#251)

Prepare to publish (#233)

Drop `-dev` version suffix to publish.

Prepare to publish stable null safety (#178)

Bump SDK constraints for pub (#37) (#164)

Use a 2.12.0 lower bound since pub does not understand allowed
experiments for earlier versions.

Use a 3.0.0 upper bound to avoid a warning in pub and to give some
flexibility in publishing for stable.

remove git overrdies (#163)

Prepare for the 2.11 dev SDKs (#154)

Bump the upper bound to allow 2.10 stable and 2.11.0 dev SDK versions.