Use Kotlin 1.5.31 in JS sample.

samples/SkiaJsSample/build.gradle.kts

 plugins {
-    // Cannot move to 1.5.31 due to
-    // "Cannot change attributes of dependency configuration ':commonTestApiDependenciesMetadata' after it has been resolved"
-    kotlin("multiplatform") version "1.5.20"
+    kotlin("multiplatform") version "1.5.31"
 }
 
 repositories {
@@ -50,7 +48,8 @@ kotlin {
                 // We cannot use it directly but need to extract data from there.
                 implementation("org.jetbrains.skiko:skiko-js-runtime:$version")
             }
-            resources.setSrcDirs(resources.srcDirs + unzipTask.get().destinationDir)
+            resources.setSrcDirs(resources.srcDirs)
+            resources.srcDirs(unzipTask.map { it.destinationDir })
         }
     }
 }