chore(deps): bump analyzer in /packages/luthor_generator

Bumps [analyzer](https://github.com/dart-lang/sdk/tree/main/pkg) from 6.11.0 to 7.1.0.
- [Changelog](https://github.com/dart-lang/sdk/blob/main/CHANGELOG.md)
- [Commits](https://github.com/dart-lang/sdk/commits/HEAD/pkg)

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

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

packages/luthor_generator/pubspec.yaml

@@ -8,7 +8,7 @@ environment:
   sdk: ">=3.0.0 <4.0.0"
 
 dependencies:
-  analyzer: ^6.3.0
+  analyzer: ">=6.3.0 <8.0.0"
   build: ^2.4.2
   collection: ^1.18.0
   dart_mappable: ^4.3.0