chore(deps): bump very_good_analysis from 7.0.0 to 8.0.0 in /example

Bumps [very_good_analysis](https://github.com/VeryGoodOpenSource/very_good_analysis) from 7.0.0 to 8.0.0.
- [Release notes](https://github.com/VeryGoodOpenSource/very_good_analysis/releases)
- [Changelog](https://github.com/VeryGoodOpenSource/very_good_analysis/blob/main/CHANGELOG.md)
- [Commits](https://github.com/VeryGoodOpenSource/very_good_analysis/commits)

---
updated-dependencies:
- dependency-name: very_good_analysis
  dependency-version: 8.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

example/pubspec.yaml

@@ -21,7 +21,7 @@ dev_dependencies:
   mockingjay:
     path: ../
   mocktail: ^1.0.4
-  very_good_analysis: ^7.0.0
+  very_good_analysis: ">=7.0.0 <9.0.0"
 
 flutter:
   uses-material-design: true