JAVA-18813 : Update Creating a Fat Jar in Gradle (#15030)

gradle-modules/gradle/gradle-fat-jar/build.gradle

@@ -8,8 +8,10 @@ buildscript {
     }
 }
 
-apply plugin: 'java'
-apply plugin: 'com.github.johnrengelman.shadow'
+plugins {
+  id 'com.github.johnrengelman.shadow' version '7.1.2'
+  id 'java'
+}
 
 repositories {
     mavenCentral()
@@ -30,7 +32,7 @@ task customFatJar(type: Jar) {
     manifest {
         attributes 'Main-Class': 'com.baeldung.fatjar.Application'
     }
-    baseName = 'all-in-one-jar'
+    archiveBaseName = 'all-in-one-jar'
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
     from { configurations.runtimeClasspath.collect { it.isDirectory() ? it : zipTree(it) } }
     with jar