Update build_runner and dependencies in pubspec.yaml

Author: lsaudon

example/pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
 dev_dependencies:
   bdd_widget_test:
     path: ../
-  build_runner: ^2.7.0
+  build_runner: ^2.8.0
   flutter_driver:
     sdk: flutter
   flutter_test:

pubspec.yaml

@@ -8,19 +8,19 @@ environment:
   sdk: ">=2.18.0 <4.0.0"
 
 dependencies:
-  build: ^3.0.0
-  build_config: ^1.0.0
-  characters: ^1.2.0
-  collection: ^1.15.0
-  dart_style: ^3.0.0
-  diacritic: ^0.1.3
-  file: ^7.0.0
-  meta: ^1.7.0
-  path: ^1.8.0
-  yaml: ^3.1.0
+  build: ^4.0.0
+  build_config: ^1.2.0
+  characters: ^1.4.0
+  collection: ^1.19.1
+  dart_style: ^3.1.2
+  diacritic: ^0.1.6
+  file: ^7.0.1
+  meta: ^1.16.0
+  path: ^1.9.1
+  yaml: ^3.1.3
 
 dev_dependencies:
-  build_runner: ^2.7.0
-  build_test: ^3.3.2
+  build_runner: ^2.8.0
+  build_test: ^3.4.0
   test: ^1.26.3
   very_good_analysis: ^9.0.0