Fixed dokkaHtml

### What's done:
- applied configuration for dokka plugin
- changed findByName to getByName for dokkaHtml task

gradle/plugins/build.gradle.kts

@@ -9,4 +9,5 @@ repositories {
 
 dependencies {
  implementation("io.github.gradle-nexus:publish-plugin:1.1.0")
+ implementation("org.jetbrains.dokka:dokka-gradle-plugin:1.9.20")
 }

gradle/plugins/src/main/kotlin/com/saveourtool/buildutils/PublishingConfiguration.kt

@@ -19,13 +19,14 @@ import org.gradle.internal.logging.text.StyledTextOutput
 import org.gradle.internal.logging.text.StyledTextOutput.Style.Failure
 import org.gradle.internal.logging.text.StyledTextOutput.Style.Success
 import org.gradle.internal.logging.text.StyledTextOutputFactory
+import org.gradle.kotlin.dsl.apply
 import org.gradle.kotlin.dsl.configure
 import org.gradle.kotlin.dsl.create
-import org.gradle.kotlin.dsl.extra
 import org.gradle.kotlin.dsl.getByType
 import org.gradle.kotlin.dsl.support.serviceOf
 import org.gradle.kotlin.dsl.withType
 import org.gradle.plugins.signing.SigningExtension
+import org.jetbrains.dokka.gradle.DokkaPlugin
 
 /**
  * Enables signing of the artifacts if the `signingKey` project property is set.
@@ -78,10 +79,11 @@ fun Project.configureSigning() {
 
 @Suppress("TOO_LONG_FUNCTION")
 internal fun Project.configurePublications() {
+ apply<DokkaPlugin>()
  val dokkaJar: Jar = tasks.create<Jar>("dokkaJar") {
  group = "documentation"
  archiveClassifier.set("javadoc")
- from(tasks.findByName("dokkaHtml"))
+ from(tasks.getByName("dokkaHtml"))
  }
  configure<PublishingExtension> {
  repositories {