Change KaptFlag.USE_JVM_IR default value to true

According to the comment on `Kapt3GradleSubplugin.BooleanOption` and the
change in a7b1bade85.

 #KT-53135

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

@@ -126,7 +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")
+    USE_JVM_IR("Use JVM IR backend", defaultValue = true)
     ;
 }