Bump com.gradle.plugin-publish from 1.2.0 to 1.2.1

Bumps com.gradle.plugin-publish from 1.2.0 to 1.2.1.

---
updated-dependencies:
- dependency-name: com.gradle.plugin-publish
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

gradle/libs.versions.toml

@@ -11,5 +11,5 @@ buildConfig = "com.github.gmazzo.buildconfig:4.1.2"
 kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-samWithReceiver = { id = "org.jetbrains.kotlin.plugin.sam.with.receiver", version.ref = "kotlin" }
 dokka = { id = "org.jetbrains.dokka", version = "1.8.20" }
-gradle-pluginPublish = { id = "com.gradle.plugin-publish", version = "1.2.0" }
+gradle-pluginPublish = { id = "com.gradle.plugin-publish", version = "1.2.1" }
 gradle-nexusPublish = { id = "io.github.gradle-nexus.publish-plugin", version = "1.3.0" }