Bump plugin version to 0.2.13 for next development track

Author: Teamcity

package.json

@@ -1,6 +1,6 @@
 {
     "name": "JanusGraph",
-    "version": "0.2.12",
+    "version": "0.2.13",
     "author": "hackolade",
     "engines": {
         "hackolade": "6.2.4",