Update dependency dart to v3

renovate[bot] · Sean-Der · commit a3ae5135441c · 2024-02-02T23:14:06.000-05:00
Generated by renovateBot
diff --git a/sfu-ws/flutter/pubspec.yaml b/sfu-ws/flutter/pubspec.yaml
@@ -4,7 +4,7 @@ description: A new Flutter project.
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: "<4.0.0"
 
 dependencies:
   websocket: ^0.0.5
