Update Requirements (#541)

* Update package requiremenst

* github workflow updates

* ios build updates

* Theme adjustments

* Further updates

* Fix typo

* Deprecated imperative apply of Flutter's Gradle plugins

Ref: https://docs.flutter.dev/release/breaking-changes/flutter-gradle-plugin-apply

* Refactor wedge scanner

* Add context checks

* Adjust behaviour if testing

* Further refactoring

* Moar checks

* Logic fix

* Fix for wedge scanner test

* Fix for barcode processing

* Fix

* Yet another fix

lib/main.dart

@@ -162,13 +162,13 @@ class InvenTreeAppState extends State<StatefulWidget> {
     return AdaptiveTheme(
       light: ThemeData(
         brightness: Brightness.light,
-        primarySwatch: Colors.lightBlue,
-        secondaryHeaderColor: Colors.blueGrey
+        colorSchemeSeed: Colors.lightBlueAccent,
+        useMaterial3: true,
       ),
       dark: ThemeData(
         brightness: Brightness.dark,
-        primarySwatch: Colors.lightBlue,
-        secondaryHeaderColor: Colors.blueGrey,
+        colorSchemeSeed: Colors.blue,
+        useMaterial3: true,
       ),
       initial: savedThemeMode ?? AdaptiveThemeMode.light,
       builder: (light, dark) =>  MaterialApp(