update nng to 1.5.2 (#1220)

* update mongo-c-driver; add mongo-cxx-driver

* update nng to 1.5.2

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("1.5.2", "652ff3a2dbaeae194942205c369e9259e2b5cb5985d679d744cbfb95d1c807a3")
     add_versions("1.4.0", "43674bb15d0f3810cf3602d2662cc91b6576b914492710244125e32b29f546b8")
     add_versions("1.3.2", "2616110016c89ed3cbd458022ba41f4f545ab17f807546d2fdd0789b55d64471")
 
@@ -41,6 +42,9 @@ package("nng")
         if not package:config("shared") then
             package:add("defines", "NNG_STATIC_LIB")
         end
+        if package:config("NNG_ENABLE_TLS") then
+            package:add("deps", "mbedtls")
+        end
     end)
 
     add_deps("cmake")