Update plugin xyz.jpenilla.run-paper to v2.3.1 (#2886)

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

build.gradle.kts

@@ -7,7 +7,7 @@ import xyz.jpenilla.runpaper.task.RunServer
 
 plugins {
     id("io.github.gradle-nexus.publish-plugin") version "2.0.0"
-    id("xyz.jpenilla.run-paper") version "2.3.0"
+    id("xyz.jpenilla.run-paper") version "2.3.1"
 }
 
 if (!File("$rootDir/.git").exists()) {