contrib: update dhtnet to support upnp/nat-pmp

Change-Id: Idfd0491ab4a792bc48724a2423d76aa742da68c6

contrib/src/dhtnet/package.json

 {
     "name": "dhtnet",
-    "version": "8242020285a5fa7c93f880862c6f3302561244a5",
+    "version": "370257cdd858927172f4169acc8e873e8ae11f65",
     "url": "https://review.jami.net/plugins/gitiles/dhtnet/+archive/__VERSION__.tar.gz",
     "deps": [
         "opendht",

contrib/src/dhtnet/rules.mak

 # DHTNET
-DHTNET_VERSION := 8242020285a5fa7c93f880862c6f3302561244a5
+DHTNET_VERSION := 370257cdd858927172f4169acc8e873e8ae11f65
 DHTNET_URL := https://review.jami.net/plugins/gitiles/dhtnet/+archive/$(DHTNET_VERSION).tar.gz
 
 PKGS += dhtnet