Set archiveVersion correctly

Author: DRSchlaubi

src/main/kotlin/LavalinkGradlePlugin.kt

@@ -142,6 +142,7 @@ private fun Project.configureTasks(extension: LavalinkExtension, serverDependenc
             group = LifecycleBasePlugin.BUILD_GROUP
             destinationDirectory = layout.buildDirectory.dir("distributions")
             archiveBaseName = extension.name.map { "plugin-$it" }
+            archiveVersion = extension.version
 
             dependsOn(jar)