prepare for 14.0.0-dev.5 release (#1968)

Author: MaikuB

flutter_local_notifications/CHANGELOG.md

@@ -1,3 +1,7 @@
+# [14.0.0-dev.5]
+
+* [macOS] fixed issue [1858](https://github.com/MaikuB/flutter_local_notifications/issues/1858) where macOS app builds were showing deprecation warnings. Thanks to the PR from [Steve Kohls](https://github.com/stevekohls)
+
 # [14.0.0-dev.4]
 
 * **Breaking change** the following classes are now enums

flutter_local_notifications/pubspec.yaml

@@ -2,7 +2,7 @@ name: flutter_local_notifications
 description: A cross platform plugin for displaying and scheduling local
   notifications for Flutter applications with the ability to customise for each
   platform.
-version: 14.0.0-dev.4
+version: 14.0.0-dev.5
 homepage: https://github.com/MaikuB/flutter_local_notifications/tree/master/flutter_local_notifications
 issue_tracker: https://github.com/MaikuB/flutter_local_notifications/issues