fix: add namespace (AGP8)

TerminalStudio/flutter_pty#12

Author: MrCyjaneK

pubspec.yaml

@@ -15,7 +15,8 @@ dependencies:
   xterm: ^3.5.0
   dart_i2p:
     path: ../dart_i2p
-  flutter_pty: ^0.4.0
+  flutter_pty:
+    git: https://github.com/p3pch4t/flutter_pty.git
   shared_preferences: ^2.2.1
   path: ^1.8.3
   http: ^1.1.0