chore: typo [skip ci] (#12364)

packages/weex-template-compiler/build.js

@@ -1516,7 +1516,7 @@ function parse (
       }
     },
     comment: function comment (text, start, end) {
-      // adding anyting as a sibling to the root node is forbidden
+      // adding anything as a sibling to the root node is forbidden
       // comments should still be allowed, but ignored
       if (currentParent) {
         var child = {