Use gradle plugin "io.github.gradle-nexus.publish-plugin" to publish …

…on maven central

build.gradle

@@ -4,9 +4,8 @@ plugins {
     id 'com.diffplug.spotless' version '6.2.0'
     id 'signing'
     id 'maven-publish'
-    id 'de.marcphilipp.nexus-publish' version '0.4.0'
     id 'net.researchgate.release' version '3.0.2'
-    id 'io.codearte.nexus-staging' version '0.22.0'
+    id 'io.github.gradle-nexus.publish-plugin' version '1.3.0'
 }
 
 wrapper {
@@ -64,6 +63,7 @@ spotless {
 }
 
 nexusPublishing {
+    packageGroup = 'org.gitlab4j'
     repositories {
         sonatype {
             nexusUrl.set(uri("https://oss.sonatype.org/service/local/"))
@@ -73,13 +73,6 @@ nexusPublishing {
     }
 }
 
-nexusStaging {
-    serverUrl = "https://oss.sonatype.org/service/local/"
-    packageGroup = 'org.gitlab4j'
-    username = project.findProperty('sonatypeUser') ?: ''
-    password = project.findProperty('sonatypePassword') ?: ''
-}
-
 publishing {
     publications {
         mavenJava(MavenPublication) {