Update Gradle plugin publish plugin to 0.20.0 version.

^KT-49227 In Progress

buildSrc/build.gradle.kts

@@ -150,7 +150,7 @@ dependencies {
     implementation(kotlin("stdlib", embeddedKotlinVersion))
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:${project.bootstrapKotlinVersion}")
     implementation("org.jetbrains.kotlin:kotlin-build-gradle-plugin:0.0.35")
-    implementation("com.gradle.publish:plugin-publish-plugin:0.14.0")
+    implementation("com.gradle.publish:plugin-publish-plugin:0.20.0")
     implementation("org.jetbrains.dokka:dokka-gradle-plugin:1.6.10")
 
     implementation("net.rubygrapefruit:native-platform:${property("versions.native-platform")}")

buildSrc/src/main/kotlin/artifacts.kt

@@ -197,7 +197,6 @@ fun Project.publishGradlePlugin() {
         tasks.withType<PublishTask> {
             // Makes plugin publication task reuse poms and metadata from publication named "pluginMaven"
             useAutomatedPublishing()
-            useGradleModuleMetadataIfAvailable()
         }
     }
 }