update to 1.28.1

Author: fenxiong

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 ## 1.28.1
+* Enhancement - Non-ECS images cleanup: clean up dangling images with image ID [#2023](https://github.com/aws/amazon-ecs-agent/pull/2023)
+* Bug - Pick up latest version of amazon-vpc-cni-plugins and amazon-ecs-cni-plugins to include recent bug fixes ([f09fd7c](https://github.com/aws/amazon-vpc-cni-plugins/commit/f09fd7c6ba0cf319b0c6ad23762091e25091fbce), [d90eebe](https://github.com/aws/amazon-vpc-cni-plugins/commit/d90eebe9907cde58c47756f65eccd7efc693e1d6), [06cbba2](06cbba25cab0eb0aa466b0c5f72b55b61c87a2c5))
+* Bug - Fixed error detection case when image that is being deleted does not exist [@bendavies](https://github.com/bendavies) [#2008](https://github.com/aws/amazon-ecs-agent/pull/2008)
 * Bug - Fixed a bug where docker volume deletion resulted in nullpointer [#2059](https://github.com/aws/amazon-ecs-agent/pull/2059)
 
 ## 1.28.0

VERSION

@@ -1 +1 @@
-1.28.0
+1.28.1

agent/version/version.go

@@ -22,7 +22,7 @@ package version
 // repository. Only the 'Version' const should change in checked-in source code
 
 // Version is the version of the Agent
-const Version = "1.28.0"
+const Version = "1.28.1"
 
 // GitDirty indicates the cleanliness of the git repo when this agent was built
 const GitDirty = true