update dependencies and bump version to 0.1.7+45

- Bump version to `0.1.7+45` and update SDK constraint to `>=3.8.0 <4.0.0`.
- Update numerous dependencies

lib/api/webuntis/queries/authenticate/authenticateParams.g.dart

@@ -13,7 +13,4 @@ AuthenticateParams _$AuthenticateParamsFromJson(Map<String, dynamic> json) =>
     );
 
 Map<String, dynamic> _$AuthenticateParamsToJson(AuthenticateParams instance) =>
-    <String, dynamic>{
-      'user': instance.user,
-      'password': instance.password,
-    };
+    <String, dynamic>{'user': instance.user, 'password': instance.password};