Upgrade versions since API is incompatible

Author: CodeDrivenMitch

gradle.properties

@@ -19,12 +19,12 @@
 
 pluginGroup=io.axoniq.ide.intellij
 pluginName=Axon Framework
-pluginVersion=0.8.2
-axonVersion=4.7.0
+pluginVersion=0.8.3
+axonVersion=4.9.0
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.
-pluginSinceBuild = 231
+pluginSinceBuild = 232
 pluginUntilBuild = 232.*
 
 # IntelliJ Platform Properties -> https://github.com/JetBrains/gradle-intellij-plugin#intellij-platform-properties