Add '-opt-in' option into Gradle compiler options DSL

^KT-53924 Fixed

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArguments.kt

@@ -107,6 +107,10 @@ abstract class CommonCompilerArguments : CommonToolArguments() {
             field = value
         }
 
+    @GradleOption(
+        value = DefaultValue.EMPTY_STRING_ARRAY_DEFAULT,
+        gradleInputType = GradleInputTypes.INPUT
+    )
     @Argument(
         value = "-opt-in",
         deprecatedName = "-Xopt-in",

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/GradleOption.kt

@@ -35,6 +35,7 @@ enum class DefaultValue {
     BOOLEAN_TRUE_DEFAULT,
     STRING_NULL_DEFAULT,
     EMPTY_STRING_LIST_DEFAULT,
+    EMPTY_STRING_ARRAY_DEFAULT,
     LANGUAGE_VERSIONS,
     API_VERSIONS,
     JVM_TARGET_VERSIONS,