Set timeout to 30 seconds

CMakeLists.txt

@@ -1,6 +1,6 @@
 cmake_minimum_required (VERSION 3.7)
 project (expandurl-mastodon
-         VERSION 0.9.11
+         VERSION 0.9.12
          LANGUAGES CXX
 )
 

src/url.cpp

@@ -65,6 +65,7 @@ const string expand(const string &url)
         "Connection: close",
     });
     request.setOpt<curlopts::FollowLocation>(true);
+    request.setOpt(curlopts::Timeout(30));
 
     try
     {