Add missing version

cescoffier · cescoffier · commit f65425dd136b · 2019-03-06T18:08:05.000+01:00
diff --git a/_guides/attributes.adoc b/_guides/attributes.adoc
@@ -1,5 +1,10 @@
 :project-name: Quarkus
 :quarkus-version: 0.11.0
+
+:graalvm-version: 1.0.0-rc12
+:surefire-version: 2.22.0
+:restassured-version: 3.3.0
+
 :quarkus-home-url: https://quarkus.io
 :quarkus-site-getting-started: /get-started
 :quarkus-site-extension-authors-guide: /guides/extension-authors-guide
