[Java] Upgrade to Shadow 2.0.4.

Author: mjpt777

build.gradle

@@ -21,7 +21,7 @@ buildscript {
 
 plugins {
     id 'java'
-    id 'com.github.johnrengelman.shadow' version '2.0.3' apply false
+    id 'com.github.johnrengelman.shadow' version '2.0.4' apply false
 }
 
 defaultTasks 'clean', 'build', 'shadowJar', 'install'
@@ -149,7 +149,7 @@ subprojects {
         options.encoding = 'UTF-8'
         options.deprecation = true
     }
-    
+
     test {
         testLogging {
             showStandardStreams = true