Update plugin poko to v0.18.6 (#491)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/libs.versions.toml

@@ -29,6 +29,6 @@ kotlinCompose = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kot
 kotlinJvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 dokka = { id = "org.jetbrains.dokka", version = "2.0.0" }
 mavenPublish = { id = "com.vanniktech.maven.publish", version = "0.31.0" }
-poko = { id = "dev.drewhamilton.poko", version = "0.18.5" }
+poko = { id = "dev.drewhamilton.poko", version = "0.18.6" }
 spotless = { id = "com.diffplug.spotless", version = "7.0.3" }
 kotlinApiDump = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.17.0" }