Merge branch '31-change-url-in-manifest-to-upstream-url' into 'unstable'

Resolve "Change url in manifest to upstream url"

See merge request !36

manifest.json

@@ -7,7 +7,7 @@
         "fr": "Renouvellement automatique des certificats vpn Neutrinet"
     },
     "version": "0.3.1~ynh3",
-    "url": "https://git.domainepublic.net/Neutrinet/neutrinet_ynh",
+    "url": "https://git.domainepublic.net/Neutrinet/renew_cert",
     "upstream": {
         "license": "AGPL-3.0-or-later",
         "code": "https://git.domainepublic.net/Neutrinet/renew_cert"