Update stackcurrent in conf.yaml

Author: lcawl

conf.yaml

@@ -77,8 +77,8 @@ contents_title:     Elastic documentation
 #   <key>: &<variable> <value>
 # The keys don't really matter, but by convention the are the same as the variable.
 variables:
-  stackcurrent: &stackcurrent 8.15
-  stacklive: &stacklive [ 8.15, 7.17 ]
+  stackcurrent: &stackcurrent 8.16
+  stacklive: &stacklive [ 8.16, 7.17 ]
 
   cloudSaasCurrent: &cloudSaasCurrent ms-115