Update dependency dev.drewhamilton.poko to v0.20.0

Author: renovate[bot]

gradle/libs.versions.toml

@@ -4,7 +4,7 @@ kmpmt = "0.1.1"
 kotlin = "2.2.20"
 kotlinx-coroutines = "1.10.2"
 kotlinx-datetime = "0.7.1"
-poko = "0.19.3"
+poko = "0.20.0"
 publish = "0.34.0"
 
 [libraries]