Bump pub_updater from 0.3.1 to 0.4.0

Bumps [pub_updater](https://github.com/VeryGoodOpenSource/pub_updater) from 0.3.1 to 0.4.0.
- [Release notes](https://github.com/VeryGoodOpenSource/pub_updater/releases)
- [Changelog](https://github.com/VeryGoodOpenSource/pub_updater/blob/main/CHANGELOG.md)
- [Commits](VeryGoodOpenSource/pub_updater@v0.3.1...v0.4.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

pubspec.yaml

@@ -14,7 +14,7 @@ dependencies:
   http: ^1.1.0
   mason_logger: ^0.2.4
   meta: ^1.11.0
-  pub_updater: ^0.3.0
+  pub_updater: ^0.4.0
   yaml: ^3.1.2
 
 dev_dependencies: