update dependencies

pubspec.yaml

@@ -4,14 +4,14 @@ homepage: https://github.com/marchdev-tk/google_directions_api
 description: The Directions API is a service that calculates directions between locations. You can search for directions for several modes of transportation.
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
 
   google_polyline_algorithm: ^3.1.0
-  http: ^0.13.4
+  http: ^1.1.0
   flinq: ^2.0.2
 
 dev_dependencies:
-  flutter_lints: ^1.0.4
-  test: ^1.20.1
+  flutter_lints: ^2.0.3
+  test: ^1.24.6