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

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

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

Signed-off-by: dependabot[bot] <support@github.com>

buildSrc/build.gradle.kts

@@ -47,5 +47,5 @@ dependencies {
     implementation("gradle.plugin.org.kt3k.gradle.plugin:coveralls-gradle-plugin:2.12.2")   // https://plugins.gradle.org/plugin/com.github.kt3k.coveralls
     implementation("org.javamodularity:moduleplugin:1.8.12")                                // https://plugins.gradle.org/plugin/org.javamodularity.moduleplugin
     implementation("io.github.gradle-nexus:publish-plugin:1.3.0")                           // https://plugins.gradle.org/plugin/io.github.gradle-nexus.publish-plugin
-    implementation("com.gradle.publish:plugin-publish-plugin:1.2.0")                        // https://plugins.gradle.org/plugin/com.gradle.plugin-publish
+    implementation("com.gradle.publish:plugin-publish-plugin:1.2.1")                        // https://plugins.gradle.org/plugin/com.gradle.plugin-publish
 }