Update of Gradle Version to 8.1 revealed the problem that publish tas…

…k uses the output of sign task as an error. This commit sets the explicit dependency between Publish and Sign tasks. (#335)

gradle/publishing.gradle

@@ -30,7 +30,7 @@ publishing {
     repositories { // this: closure
         PublishingKt.configureMavenPublication(delegate, project)
     }
-    
+
     if (!isMultiplatform) {
         // Configure java publications for non-MPP projects
         publications {
@@ -61,4 +61,8 @@ publishing {
             it.artifact(javadocJar)
         }
     }
+
+    tasks.withType(PublishToMavenRepository).configureEach {
+        dependsOn(tasks.withType(Sign))
+    }
 }