contrib: update opendht

Change-Id: I98d483709bd1aed9c0115fec546ebf4bb73c42a8

contrib/src/opendht/SHA512SUMS

-780d21f6d21bddae30fd47b131d06366da8223102f2def84023c4cdfc5dfcd20e6d7dced418e69c33f202726f6fc50fed7590ab4043fde05b6dd26238cc021a6  opendht-3.0.1.tar.gz
+679bb6138df5db7f9cad611628aa4e371fdc60ccdc2a494865954bc60b64876291aac648658a85984d32b08f8bf5a33064b8f74afeb8654b1e0c808cdcaa2b43  opendht-3.1.3.tar.gz

contrib/src/opendht/package.json

 {
     "name": "opendht",
-    "version": "3.0.1",
+    "version": "3.1.3",
     "url": "https://github.com/savoirfairelinux/opendht/archive/v__VERSION__.tar.gz",
     "deps": [
         "argon2",

contrib/src/opendht/rules.mak

 # OPENDHT
-OPENDHT_VERSION := 3.0.1
+OPENDHT_VERSION := 3.1.3
 OPENDHT_URL := https://github.com/savoirfairelinux/opendht/archive/v$(OPENDHT_VERSION).tar.gz
 
 PKGS += opendht