chore(deps): bump source_gen, dart_style, json_serializable and freezed

Bumps [source_gen](https://github.com/dart-lang/source_gen), [dart_style](https://github.com/dart-lang/dart_style), [json_serializable](https://github.com/google/json_serializable.dart) and [freezed](https://github.com/rrousselGit/freezed). These dependencies needed to be updated together.

Updates `source_gen` from 1.5.0 to 2.0.0
- [Release notes](https://github.com/dart-lang/source_gen/releases)
- [Commits](dart-lang/source_gen@source_gen-v1.5.0...source_gen-v2.0.0)

Updates `dart_style` from 2.3.7 to 3.0.0
- [Release notes](https://github.com/dart-lang/dart_style/releases)
- [Changelog](https://github.com/dart-lang/dart_style/blob/main/CHANGELOG.md)
- [Commits](dart-lang/dart_style@v2.3.7...v3.0.0)

Updates `json_serializable` from 6.9.0 to 6.9.2
- [Release notes](https://github.com/google/json_serializable.dart/releases)
- [Commits](google/json_serializable.dart@json_serializable-v6.9.0...json_serializable-v6.9.2)

Updates `freezed` from 2.5.7 to 3.0.0-0.0.dev
- [Commits](https://github.com/rrousselGit/freezed/compare/[email protected])

---
updated-dependencies:
- dependency-name: source_gen
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: dart_style
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: json_serializable
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: freezed
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pubspec.yaml

@@ -24,7 +24,7 @@ dependencies:
   cli_completion: ^0.5.0
   code_builder: ^4.10.0
   collection: ">=1.17.2 <2.0.0"
-  dart_style: ^2.3.4
+  dart_style: ">=2.3.4 <4.0.0"
   equatable: ^2.0.5
   figma_variables_api: ^0.1.0-dev.6
   figmage_package_generator: ^0.1.0-dev.5
@@ -35,14 +35,14 @@ dependencies:
   path: ^1.8.3
   pub_updater: ^0.4.0
   riverpod: ^2.4.6
-  source_gen: ^1.4.0
+  source_gen: ">=1.4.0 <3.0.0"
   yaml: ^3.1.2
 
 dev_dependencies:
   build_runner: ^2.4.6
   build_test: ^2.2.1
   build_version: ^2.1.1
-  freezed: ^2.4.3
+  freezed: ">=2.4.3 <4.0.0"
   json_serializable: ^6.7.1
   lintervention: ^0.1.1
   melos: ">=5.3.0 <7.0.0"