Update dependency source_gen to v4

renovate[bot] · web-flow · commit c2a60f06e597 · 2025-09-01T04:53:29.000Z
diff --git a/generator/pubspec.yaml b/generator/pubspec.yaml
@@ -7,7 +7,7 @@ environment:
 
 dependencies:
   build: ^1.2.2
-  source_gen: ^0.9.5
+  source_gen: ^4.0.0
   code_builder: ^3.2.1
   dart_style: ^1.3.3
   analyzer: ^0.39.5
