Kapt: add flag kapt.use.jvm.ir for enabling JVM IR support

#KT-49682

plugins/kapt3/kapt3-base/src/org/jetbrains/kotlin/kapt3/base/KaptOptions.kt

@@ -126,6 +126,7 @@ enum class KaptFlag(val description: String, val defaultValue: Boolean = false)
     INCREMENTAL_APT("Incremental annotation processing (apt mode)"),
     STRIP_METADATA("Strip @Metadata annotations from stubs"),
     KEEP_KDOC_COMMENTS_IN_STUBS("Keep KDoc comments in stubs", defaultValue = true),
+    USE_JVM_IR("Use JVM IR backend")
     ;
 }