Update dependency org.asciidoctor:asciidoctor-gradle-jvm to v4.0.0 (#806

)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

build.gradle

@@ -9,7 +9,7 @@ buildscript {
         classpath "io.github.groovylang.groovydoc:groovydoc-gradle-plugin:1.0.1"
         classpath "org.grails:grails-gradle-plugin:$grailsGradlePluginVersion"
         classpath "org.grails.plugins:views-gradle:3.1.1"
-        classpath("org.asciidoctor:asciidoctor-gradle-jvm:4.0.0-alpha.1")
+        classpath("org.asciidoctor:asciidoctor-gradle-jvm:4.0.0")
         classpath "com.github.erdi:webdriver-binaries-gradle-plugin:3.2"
     }
 }