chore(gradle): improve pluginUntilBuild to 212.* (#44)

Author: BlackHole1

gradle.properties

@@ -5,7 +5,7 @@ pluginGroup = no.eirikb.avatest
 pluginName = AvaJavaScriptTestRunnerRunConfigurationGenerator
 pluginVersion = 1.5.0
 pluginSinceBuild = 202
-pluginUntilBuild = 999.*
+pluginUntilBuild = 212.*
 # Plugin Verifier integration -> https://github.com/JetBrains/gradle-intellij-plugin#plugin-verifier-dsl
 # See https://jb.gg/intellij-platform-builds-list for available build versions
 pluginVerifierIdeVersions = 2020.2.4, 2020.3.2, 2021.1, 2021.2