fix: update @pureadmin/utils

src/components/ReTreeLine/index.ts

@@ -1,5 +1,5 @@
 // 参考https://www.npmjs.com/package/element-tree-line (主要是替换需要通过函数传参的方式去注册组件，并添加更好的类型支持，并移除this.$scopedSlots，在3.x中,将所有this.$scopedSlots替换为this.$slots)
-import { isFunction } from "/@/utils/is";
+import { isFunction } from "@pureadmin/utils";
 import { h, defineComponent } from "vue";
 import type { PropType } from "vue";
 import "./index.scss";