chore(versions): add torii 1.5.6

Author: glihm

versions.json

@@ -17,6 +17,6 @@
   },
   "1.5.1": {
     "katana": ["1.5.3", "1.5.2", "1.5.1", "1.5.0"],
-    "torii": ["1.5.5", "1.5.4", "1.5.3", "1.5.2", "1.5.1", "1.5.0"]
+    "torii": ["1.5.6", "1.5.5", "1.5.4", "1.5.3", "1.5.2", "1.5.1", "1.5.0"]
   }
 }