Update to aspectjtools:1.9.0

Fixes gh-5211

gradle/dependency-management.gradle

@@ -131,7 +131,7 @@ dependencyManagement {
 		dependency 'org.apache.tomcat.embed:tomcat-embed-websocket:8.5.23'
 		dependency 'org.apache.tomcat:tomcat-annotations-api:8.5.23'
 		dependency 'org.aspectj:aspectjrt:1.9.0'
-		dependency 'org.aspectj:aspectjtools:1.9.0.RC2'
+		dependency 'org.aspectj:aspectjtools:1.9.0'
 		dependency 'org.aspectj:aspectjweaver:1.8.13'
 		dependency 'org.assertj:assertj-core:3.9.1'
 		dependency 'org.attoparser:attoparser:2.0.4.RELEASE'