Fix logic to declare incompatibility with configuration cache (#3438)

(cherry picked from commit 205a96a)

Author: 3flex

dokka-runners/runner-gradle-plugin-classic/src/main/kotlin/org/jetbrains/dokka/gradle/tasks/AbstractDokkaTask.kt

@@ -20,14 +20,14 @@ import org.gradle.api.tasks.*
 import org.gradle.kotlin.dsl.listProperty
 import org.gradle.kotlin.dsl.mapProperty
 import org.gradle.kotlin.dsl.property
+import org.gradle.util.GradleVersion
 import org.gradle.work.DisableCachingByDefault
 import org.jetbrains.dokka.*
 import org.jetbrains.dokka.plugability.ConfigurableBlock
 import org.jetbrains.dokka.plugability.DokkaPlugin
 import java.util.concurrent.atomic.AtomicReference
 import java.util.function.BiConsumer
 import kotlin.reflect.full.createInstance
-import kotlin.reflect.full.memberFunctions
 
 @DisableCachingByDefault(because = "Abstract super-class, not to be instantiated directly")
 abstract class AbstractDokkaTask : DefaultTask() {
@@ -238,8 +238,7 @@ abstract class AbstractDokkaTask : DefaultTask() {
     init {
         group = JavaBasePlugin.DOCUMENTATION_GROUP
         // notCompatibleWithConfigurationCache was introduced in Gradle 7.4
-        val containsNotCompatibleWithConfigurationCache = this::class.memberFunctions.any { it.name == "notCompatibleWithConfigurationCache" && it.parameters.firstOrNull()?.name == "reason" }
-        if (containsNotCompatibleWithConfigurationCache) {
+        if (GradleVersion.current() >= GradleVersion.version("7.4")) {
             super.notCompatibleWithConfigurationCache("Dokka tasks are not yet compatible with the Gradle configuration cache. See https://github.com/Kotlin/dokka/issues/1217")
         }
     }