Upgrade toast library

pubspec.lock

@@ -311,7 +311,7 @@ packages:
       name: fluttertoast
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.1"
+    version: "7.1.5"
   http:
     dependency: transitive
     description:

pubspec.yaml

@@ -48,7 +48,7 @@ dependencies:
   flutter_image_compress:
     path: thirdparty/flutter_image_compress
   flutter_typeahead: ^1.8.1
-  fluttertoast: ^4.0.1
+  fluttertoast: ^7.1.5
   video_player: ^0.10.11+1
   chewie: ^0.9.10
   cached_network_image: ^2.3.0-beta