Update pluginPublish to v2.1.1 (#1989)

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

Author: renovate[bot]

gradle/libs.versions.toml

@@ -2,7 +2,7 @@
 minGradle = "9.0.0"
 kotlin = "2.3.20"
 moshi = "1.15.2"
-pluginPublish = "2.1.0"
+pluginPublish = "2.1.1"
 
 [libraries]
 apache-ant = "org.apache.ant:ant:1.10.15"