docs: add new features

Author: edodusi

README.md

@@ -4,11 +4,15 @@ This action build Android project, export .apk file as GitHub artifact, with opt
 
 Tested with Ionic, React Native and native android projects.
 
-# New in 1.3.4
+## New in 1.4.0
+
+- New properties `release-track` and `release-status` for Android
+
+## New in 1.3.4
 
 - Fix build.sh input checks when uploading to Play Store
 
-# New in 1.3.3
+## New in 1.3.3
 
 - Now `gemfile.lock` will be checked and if it contains a `BUNDLED WITH` section it will install and use that specific version of bundler.
 - The default value of `bundler-version` is now set to `2.3` so that the fallback value is compatible with fastlane plugins.