feat: update flutter lints

Author: deandreamatias

example/pubspec.lock

@@ -90,10 +90,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
+      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "5.0.0"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -206,10 +206,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
+      sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "5.1.1"
   material_color_utilities:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -16,7 +16,7 @@ dependencies:
     path: ../
 
 dev_dependencies:
-  flutter_lints: ^4.0.0
+  flutter_lints: ">=5.0.0 <6.0.0"
 
 flutter:
   uses-material-design: true

lib/form_builder_image_picker.dart

@@ -1,5 +1,3 @@
-library form_builder_image_picker;
-
 export 'src/form_builder_image_picker.dart';
 export 'src/image_source_option.dart';
 export 'package:image_picker/image_picker.dart'

pubspec.lock

@@ -90,10 +90,10 @@ packages:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c"
+      sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "5.0.0"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
@@ -199,10 +199,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235"
+      sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "5.1.1"
   material_color_utilities:
     dependency: transitive
     description:

pubspec.yaml

@@ -22,7 +22,7 @@ dependencies:
   image_picker: ^1.1.2
 
 dev_dependencies:
-  flutter_lints: ^4.0.0
+  flutter_lints: ">=5.0.0 <6.0.0"
 
 platforms:
   android: