Update dependency com.gradle.publish:plugin-publish-plugin to v1.2.1

Author: renovate[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ junit = "5.9.3"
 kotest = "5.6.1"
 kotlinx-bcv = "0.13.2"
 
-gradlePluginPublishPlugin = "1.2.0"
+gradlePluginPublishPlugin = "1.2.1"
 shadowPlugin = "8.1.1"
 devPublish = "0.2.0"
 bcvMu = "0.0.3"