fix(package): update can-stache-bindings to version 5.0.3

Closes #225

Author: greenkeeper[bot]

package.json

@@ -53,7 +53,7 @@
     "can-route": "^4.0.0",
     "can-stache": "^4.17.3",
     "can-stache-ast": "^1.1.0",
-    "can-stache-bindings": "^4.4.0",
+    "can-stache-bindings": "^5.0.3",
     "can-symbol": "^1.5.0",
     "can-view-import": "^4.0.1",
     "can-view-model": "^4.0.0",