fix(package): update can-stache to version 5.1.0

Closes #111

Author: greenkeeper[bot]

package.json

@@ -64,7 +64,7 @@
   },
   "dependencies": {
     "can-component": "^4.4.11",
-    "can-stache": "^4.0.0",
+    "can-stache": "^5.1.0",
     "can-view-parser": "^4.0.0",
     "steal-config-utils": "^1.0.0"
   }