Increase the timetrap timeout in req_SUITE on Windows

Still seeing intermittent failures on Windows due to
timetrap so let's see if doubling the timeout again helps.

test/req_SUITE.erl

@@ -24,7 +24,7 @@
 
 suite() ->
 	Timeout = case os:type() of
-		{win32, _} -> 60000;
+		{win32, _} -> 120000;
 		_ -> 30000
 	end,
 	[{timetrap, Timeout}].