Bump com.gradle.plugin-publish from 0.18.0 to 0.19.0 (#1063)

Author: nedtwigg

settings.gradle

@@ -2,7 +2,7 @@ pluginManagement {
 	plugins {
 		id 'com.diffplug.spotless'                 version '6.1.0'
 		// https://plugins.gradle.org/plugin/com.gradle.plugin-publish
-		id 'com.gradle.plugin-publish'             version '0.18.0'
+		id 'com.gradle.plugin-publish'             version '0.19.0'
 		// https://github.com/gradle-nexus/publish-plugin/releases
 		id 'io.github.gradle-nexus.publish-plugin' version '1.1.0'
 		// https://github.com/spotbugs/spotbugs-gradle-plugin/releases