upgrade nng to 1.8.0 (#4326)

* update cpp-httplib version,  add macro definition at load time

* No upgrade 0.14.0

* upgrade flatbuffers to v23.5.26

* upgrade pybind11 to 2.11.1

* add flatbuffers 24.3.25

* upgrade nng to 1.8.0

packages/n/nng/xmake.lua

@@ -4,6 +4,7 @@ package("nng")
     set_description("NNG, like its predecessors nanomsg (and to some extent ZeroMQ), is a lightweight, broker-less library, offering a simple API to solve common recurring messaging problems.")
 
     add_urls("https://github.com/nanomsg/nng/archive/v$(version).zip")
+    add_versions("1.8.0", "48effcfd1acf31f6afcb1a92ecb4aa87f7993f5c54bf6587b0f4fb2606ce96d3")
     add_versions("1.7.3", "72b39c63ba6467f6ee70c218c291240ff5b189569c3b84e8e0647f5d4d3888ea")
     add_versions("1.5.2", "652ff3a2dbaeae194942205c369e9259e2b5cb5985d679d744cbfb95d1c807a3")
     add_versions("1.4.0", "43674bb15d0f3810cf3602d2662cc91b6576b914492710244125e32b29f546b8")