fixed error in hashcode implementations of various objects so ring works as expected

build.gradle.kts

@@ -55,7 +55,7 @@ kotlin {
             dependencies {
                 implementation(kotlin("test"))
                 implementation("org.slf4j:slf4j-simple:2.0.9")
-                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3")
+                implementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.8.1")
             }
         }
         val native by creating {