[enh] update duniterpy to fix libnacl 1.7.2

requirements.txt

@@ -2,7 +2,7 @@ pypeg2
 aiohttp==3.6.2
 async-timeout==3.0.1
 attrs==19.3.0
-duniterpy==0.57.*
+duniterpy==0.58.1
 jsonschema==3.2.0
 networkx==2.4
 PyQt5==5.9.2