Update MavenTemplater.kt

core/src/commonMain/kotlin/dev/inmo/kmppscriptbuilder/core/export/jvm_only/MavenTemplater.kt

@@ -8,11 +8,11 @@ apply plugin: 'maven-publish'
 
 task javadocJar(type: Jar) {
     from javadoc
-    classifier = 'javadoc'
+    archiveClassifier = 'javadoc'
 }
 task sourcesJar(type: Jar) {
     from sourceSets.main.allSource
-    classifier = 'sources'
+    archiveClassifier = 'sources'
 }
 
 publishing {