Update xmake.lua

Author: masx200

xmake.lua

@@ -2,7 +2,7 @@ set_languages("c17", "cxx20");
 add_repositories("masx200/xmake-repo https://gitee.com/masx200/xmake-repo.git");
 add_repositories(
     "masx200/xmake-repo https://ghproxy.com/https://github.com/masx200/xmake-repo.git");
-add_requires("leetcode-treenode-cpp 1.1.6");
+add_requires("leetcode-treenode-cpp 1.1.7");
 target('leetcode-test')
 set_languages("c++20");
 set_kind('static')