Upgrade version in extension.json

src/extensions/multiple-sort/extension.json

@@ -1,6 +1,6 @@
 {
   "name": "Multiple Sort",
-  "version": "1.0.0",
+  "version": "1.1.0",
   "description": "Plugin to support the multiple sort.",
   "url": "https://github.com/wenzhixin/bootstrap-table/tree/master/src/extensions/multiple-sort",
   "example": "#",
@@ -14,4 +14,4 @@
     "name": "dimbslmh",
     "image": "https://avatars1.githubusercontent.com/u/745635"
   }
-}
+}