Bump version of the plugin to 0.4.0

Author: ilya-g

.teamcity/settings.kts

@@ -26,7 +26,7 @@ To debug in IntelliJ Idea, open the 'Maven Projects' tool window (View
 
 version = "2020.1"
 val versionParameter = "releaseVersion"
-val publishVersion = "0.3.0"
+val publishVersion = "0.4.0"
 
 project {
     // Disable editing of project and build settings from the UI to avoid issues with TeamCity

gradle.properties

@@ -1,7 +1,7 @@
 kotlin.code.style=official
 
 # Set up your maven coordinates here, artifactId is defined per project.
-version = 0.3.0
+version = 0.4.0
 group = kotlinx.team
 
 kotlin_version=1.5.0