Merge pull request #6308 from jjaderberg/2.2-setgaversion

2.2 Set version to 2.2.0 for GA

Author: vnickolov

doc/modules/ROOT/pages/management-ops/utility-functions.adoc

@@ -27,7 +27,7 @@ RETURN gds.version() AS version
 [opts="header"]
 |===
 | version
-| "2.2.0-alpha06"
+| "2.2.0"
 |===
 --
 

gradle/version.gradle

@@ -1,3 +1,3 @@
 ext {
-    gdsVersion = '2.2.0-alpha06'
+    gdsVersion = '2.2.0'
 }