chore: dart 3+

lib/data/model/app/update.dart

@@ -133,9 +133,7 @@ class AppUpdatePlatformSpecific<T> {
         return linux;
 
       /// Not implemented yet.
-      case OS.web:
-      case OS.fuchsia:
-      case OS.unknown:
+      case OS.web || OS.fuchsia || OS.unknown:
         return null;
     }
   }

lib/data/provider/server.dart

@@ -325,7 +325,7 @@ class ServerProvider extends ChangeNotifier {
           Loggers.app.warning('Write script to ${spi.name} failed', e);
           return;
         } finally {
-          await file.delete();
+          if (await file.exists()) await file.delete();
         }
       }
     }

lib/main.dart

@@ -62,7 +62,7 @@ void _runInZone(void Function() body) {
     body,
     (obj, trace) {
       Analysis.recordException(trace);
-      Loggers.root.warning(obj, trace);
+      Loggers.root.warning(obj);
     },
     zoneSpecification: zoneSpec,
   );

pubspec.yaml

@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.17.0 <3.0.0"
+  sdk: ">=3.0.0"
 
 dependencies:
   archive: ^3.3.8