Update dependency dev.drewhamilton.poko to v0.20.0

| datasource | package                                                   | from   | to     |
| ---------- | --------------------------------------------------------- | ------ | ------ |
| maven      | dev.drewhamilton.poko:dev.drewhamilton.poko.gradle.plugin | 0.17.2 | 0.20.0 |

Author: renovate[bot]

gradle/libs.versions.toml

@@ -49,7 +49,7 @@ kotlinx-kover = "0.9.1"
 dokka = "2.0.0"
 kotlinx-binary-compatibility-validator = "0.17.0"
 ksp = "2.0.21-1.0.28"
-poko = "0.17.2"
+poko = "0.20.0"
 
 vanniktech-maven-publish = "0.31.0"
 ktlint = "0.50.0"