fix(intellij): upgrade to bloc_tools: v0.1.0-dev.20 (#4654)

Author: felangel

extensions/intellij/intellij_generator_plugin/src/main/java/com/bloc/intellij_generator_plugin/language_server/BlocLanguageServer.kt

@@ -10,7 +10,7 @@ import java.io.FileOutputStream
 import java.net.URL
 import java.net.URI
 
-private const val BLOC_TOOLS_VERSION = "0.1.0-dev.19"
+private const val BLOC_TOOLS_VERSION = "0.1.0-dev.20"
 
 enum class OperatingSystem(val value: String) {
     Linux("linux"),