[KPM] IdeaKotlinVariantImpl: Set serialVersionUID to 0

KT-51262
KT-51220

libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/idea/IdeaKotlinVariant.kt

@@ -17,4 +17,8 @@ data class IdeaKotlinVariantImpl(
     internal val fragment: IdeaKotlinFragment,
     override val variantAttributes: Map<String, String>,
     override val compilationOutputs: IdeaKotlinCompilationOutput,
-) : IdeaKotlinVariant, IdeaKotlinFragment by fragment
+) : IdeaKotlinVariant, IdeaKotlinFragment by fragment {
+    companion object {
+        private const val serialVersionUID = 0L
+    }
+}