bump version to 1.8.0 (#1614)

Author: boyan01

pubspec.yaml

@@ -12,7 +12,7 @@ publish_to: none
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.2.3+253
+version: 1.8.0+261
 
 environment:
   sdk: '^3.2.0'
@@ -256,4 +256,4 @@ msix_config:
   toast_activator:
     clsid: "94B64592-528D-48B4-B37B-C82D634F1BE7"
     arguments: "-ToastActivated"
-    display_name: "Mixin Messenger"
+    display_name: "Mixin Messenger"