Fix/1174 background refresh status (#1176) (#1283)

* Update project files

* Add a new background refresh permission check for iOS

* versions

* cleanups

* version bumps

* missing constants

Co-authored-by: Sebastian Roth <sebastian.roth@gmail.com>

permission_handler/CHANGELOG.md

+## 11.3.0
+
+* Adds a new permission `Permission.backgroundRefresh` to check the background refresh permission status via:
+  * Updates `permission_handler_apple` dependency to version 9.1.5.
+  * Updates `permission_handler_platform_interface` dependency to version 3.11.6.
+
 ## 11.2.1
 
 * Adds `PermissionGroup.photosAddOnly` to the README.

permission_handler/pubspec.yaml

@@ -2,7 +2,7 @@ name: permission_handler
 description: Permission plugin for Flutter. This plugin provides a cross-platform (iOS, Android) API to request and check permissions.
 repository: https://github.com/baseflow/flutter-permission-handler
 issue_tracker: https://github.com/Baseflow/flutter-permission-handler/issues
-version: 11.2.1
+version: 11.3.0
 
 
 environment:
@@ -26,10 +26,10 @@ dependencies:
     sdk: flutter
   meta: ^1.7.0
   permission_handler_android: ^12.0.3
-  permission_handler_apple: ^9.3.0
+  permission_handler_apple: ^9.4.0
   permission_handler_html: ^0.1.1
   permission_handler_windows: ^0.2.1
-  permission_handler_platform_interface: ^4.1.0
+  permission_handler_platform_interface: ^4.2.0
 
 dev_dependencies:
   flutter_lints: ^1.0.4