Bump js from 0.6.7 to 0.7.0 (#3619)

Bumps [js](https://github.com/dart-lang/sdk/tree/main/pkg) from 0.6.7 to 0.7.0.
- [Changelog](https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/dart-lang/sdk/commits/0.7.0.0/pkg)

---
updated-dependencies:
- dependency-name: js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pubspec.yaml

@@ -26,7 +26,7 @@ dev_dependencies:
   async: ^2.11.0
   dart_style: ^2.3.1
   http: ">=0.13.6 <2.0.0"
-  js: ^0.6.7
+  js: ">=0.6.7 <0.8.0"
   lints: ^3.0.0
   matcher: ^0.12.15
   test: ^1.24.2