fix(generator): updated deps

Author: gibahjoe

openapi-generator/pubspec.yaml

@@ -10,9 +10,9 @@ dependencies:
   build: '>=1.0.0 <=3.0.0'
   source_gen: '>=1.0.0 <=2.0.0'
   path: '>=1.0.0 <=2.0.0'
-  openapi_generator_annotations: '>=4.13.0 <6.0.0'
+  openapi_generator_annotations: '>=4.13.0 <7.0.0'
   analyzer: '>=2.0.0 <7.0.0'
-  openapi_generator_cli: '>=4.13.0 <6.0.0'
+  openapi_generator_cli: '>=4.13.0 <7.0.0'
   yaml: ^3.1.2
   http: '>=0.13.1 <=2.0.0'
   build_runner: '>=1.0.0 <3.0.0'