Bump Native version.

The new one has `cacheableTargets` property
in konan.properties that is now required
for native caches support in Gradle.

build.gradle.kts

@@ -188,7 +188,7 @@ extra["versions.kotlinx-collections-immutable-jvm"] = immutablesVersion
 extra["versions.ktor-network"] = "1.0.1"
 
 if (!project.hasProperty("versions.kotlin-native")) {
-    extra["versions.kotlin-native"] = "1.4.30-dev-17395"
+    extra["versions.kotlin-native"] = "1.5-dev-17775"
 }
 
 val intellijUltimateEnabled by extra(project.kotlinBuildProperties.intellijUltimateEnabled)