Upgrade Shadow Gradle Plugin to 5.1.0

GradleUp/shadow#480

Author: sormuras

buildSrc/src/main/kotlin/Versions.kt

@@ -30,7 +30,7 @@ object Versions {
     val gitPublishPlugin = "2.1.1"
     val jmhPlugin = "0.4.8"
     val nexusPublishPlugin = "0.2.0"
-    val shadowPlugin = "4.0.1"
+    val shadowPlugin = "5.1.0"
     val spotlessPlugin = "3.23.1"
     val versioningPlugin = "2.8.2"
     val versionsPlugin = "0.21.0"

settings.gradle.kts

@@ -1,11 +1,6 @@
 pluginManagement {
 	repositories {
 		gradlePluginPortal()
-		maven(url = "https://jitpack.io") {
-			content {
-				includeModule("com.github.johnrengelman", "shadow")
-			}
-		}
 	}
 	resolutionStrategy {
 		eachPlugin {
@@ -16,7 +11,7 @@ pluginManagement {
 				"com.diffplug.gradle.spotless" -> useVersion(Versions.spotlessPlugin)
 				"org.ajoberstar.git-publish" -> useVersion(Versions.gitPublishPlugin)
 				"org.jetbrains.kotlin.jvm" -> useVersion(Versions.kotlin)
-				"com.github.johnrengelman.shadow" -> useModule("com.github.johnrengelman:shadow:1af0fde650")
+				"com.github.johnrengelman.shadow" -> useVersion(Versions.shadowPlugin)
 				"org.asciidoctor.convert" -> useVersion(Versions.asciidoctorPlugin)
 				"me.champeau.gradle.jmh" -> useVersion(Versions.jmhPlugin)
 				"de.marcphilipp.nexus-publish" -> useVersion(Versions.nexusPublishPlugin)