update rocksdb

Author: 5HT

mix.exs

@@ -35,7 +35,7 @@ defmodule Sample.Mixfile do
       {:plug, "~> 1.15.3"},
       {:bandit, "~> 1.0"},
       {:websock_adapter, "~> 0.5"},
-      {:rocksdb, "~> 1.8.0"},
+      {:rocksdb, "~> 2.6.2"},
       {:nitro, "~> 8.2.4"},
       {:kvs, "~> 10.8.3"},
       {:n2o, "~> 10.12.4"},