bump version to 5.1.2

Author: crossle

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: 5.1.1+555
+version: 5.1.2+557
 
 environment:
   sdk: "^3.10.0"