updated new flutter version

lib/widgets/mobile/mobile_set_password.dart

@@ -194,8 +194,10 @@ class MobileSetPasswordState extends State<MobileSetPassword> {
           padding: EdgeInsets.only(right: 16.0, top: 16.0),
           child: Align(
             alignment: Alignment.centerRight,
-            child: RaisedButton(
-              color: Theme.of(context).primaryColor,
+            child: ElevatedButton(
+              style: ElevatedButton.styleFrom(
+                primary: Theme.of(context).primaryColor,
+              ),
               child: Text(
                 S.of(context).submit,
                 style: TextStyle(
@@ -221,7 +223,7 @@ class MobileSetPasswordState extends State<MobileSetPassword> {
               title: Text(S.of(context).success),
               content: Text(S.of(context).user_account_created_success),
               actions: <Widget>[
-                FlatButton(
+                TextButton(
                   child: Text(S.of(context).ok),
                   onPressed: () {
                     Routes.router.navigateTo(context, '/login', replace: true, clearStack: false);