Update plugin gradle-plugin-publish to v2 (#467)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ ben-manes-versions = { id = "com.github.ben-manes.versions", version = "0.51.0"
 
 kotlinter = { id = "org.jmailen.kotlinter", version = "4.0.0" }
 
-gradle-plugin-publish = {id = "com.gradle.plugin-publish", version = "1.3.1" }
+gradle-plugin-publish = {id = "com.gradle.plugin-publish", version = "2.0.0" }
 
 vanniktech-publish = { id = "com.vanniktech.maven.publish", version = "0.34.0" }