Merge pull request #119 from web-push-libs/renovate/com.github.johnrengelman.shadow-com.github.johnrengelman.shadow.gradle.plugin-5.x

Update dependency com.github.johnrengelman.shadow:com.github.johnrengelman.shadow.gradle.plugin to v5

Author: martijndwars

build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id 'application'
-    id 'com.github.johnrengelman.shadow' version '4.0.3'
+    id 'com.github.johnrengelman.shadow' version '5.2.0'
 
     // Used by release.gradle
     id 'maven-publish'