fix platform version

Author: daimor

gradle.properties

@@ -12,10 +12,10 @@ pluginUntilBuild = 221.*
 
 # 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 = 2022.1
+pluginVerifierIdeVersions = 2021.3
 
 platformType = IC
-platformVersion = 2022.1
+platformVersion = 2021.3
 platformDownloadSources = true
 
 # Plugin Dependencies -> https://plugins.jetbrains.com/docs/intellij/plugin-dependencies.html