Update to gradle 8.4

Author: frederickbaier

build.gradle

@@ -54,16 +54,12 @@ dependencies {
 
 }
 
-task sourcesJar(type: Jar, dependsOn: classes) {
-    classifier = 'sources'
+tasks.register('sourcesJar', Jar) {
+    dependsOn classes
+    archiveClassifier.set('sources')
     from sourceSets.main.allSource
 }
 
-task javadocJar(type: Jar, dependsOn: javadoc) {
-    classifier = 'javadoc'
-    from javadoc.destinationDir
-}
-
 publishing {
     publications {
         mavenJava(MavenPublication) {
@@ -80,25 +76,16 @@ publishing {
             }
 
             credentials {
-                username = project.hasProperty("mavenUser") ? project.property("mavenUser") : ""
-                password = project.hasProperty("mavenPassword") ? project.property("mavenPassword") : ""
+                username = project.hasProperty("mavenUser") ? project.property("mavenUser") : System.getenv("MAVEN_USERNAME")
+                password = project.hasProperty("mavenPassword") ? project.property("mavenPassword") : System.getenv("MAVEN_PASSWORD")
             }
         }
     }
 }
 
-artifacts {
-    archives sourcesJar
-    archives javadocJar
-}
-
 compileKotlin {
-    kotlinOptions {
-        jvmTarget = "1.8"
-    }
+    kotlinOptions.jvmTarget = "1.8"
 }
 compileTestKotlin {
-    kotlinOptions {
-        jvmTarget = "1.8"
-    }
-}
+    kotlinOptions.jvmTarget = "1.8"
+}

gradle/wrapper/gradle-wrapper.jar

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists