packaging: setup: Change timeout on apache proxy configuration

Increased the timeout to wait for response so that
the UI does not respond with 500 errors

Change-Id: I0c0c75a8c29c0a22e86a8ad648ab956f30468552
Bug-Url: https://bugzilla.redhat.com/1025869
Bug-Url: https://bugzilla.redhat.com/1035622
Signed-off-by: Sahina Bose <sabose@redhat.com>