JS: KotlinJavascriptMetadataUtils: ABI 1 -> 2

compiler/util/src/org/jetbrains/kotlin/utils/KotlinJavascriptMetadataUtils.kt

@@ -37,7 +37,7 @@ public object KotlinJavascriptMetadataUtils {
      * Matches string like <name>.kotlin_module_metadata(<abi version>, <module name>, <base64 data>)
      */
     private val METADATA_PATTERN = "(?m)\\w+\\.$KOTLIN_JAVASCRIPT_METHOD_NAME\\((\\d+),\\s*(['\"])([^'\"]*)\\2,\\s*(['\"])([^'\"]*)\\4\\)".toRegex()
-    private val ABI_VERSION = 1
+    private val ABI_VERSION = 2
 
     platformStatic
     public fun hasMetadata(text: String): Boolean = METADATA_PATTERN.matcher(text).find()