Gradle Shadow enters the plugins block

build.gradle

@@ -1,13 +1,8 @@
-buildscript {
-    dependencies {
-        classpath 'com.github.jengelman.gradle.plugins:shadow:6.1.0'
-    }
-}
-
 plugins {
     id 'java'
-    id "net.ltgt.errorprone" version "2.0.1" apply false
+    id 'net.ltgt.errorprone' version "2.0.1" apply false
     id 'org.cadixdev.licenser' version '0.5.1' apply false
+    id "com.github.johnrengelman.shadow" version "6.1.0" apply false
 }
 
 allprojects {