Update branch aliases.

Signed-off-by: Jason Lewis <[email protected]>

Author: jasonlewis

composer.json

@@ -44,7 +44,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "0.8-dev"
+            "dev-master": "0.8-dev",
+            "dev-develop": "0.9-dev"
         }
     }
 }