Fix Zenodo links in FAQ
Fix Zenodo links in FAQ

jhamman/xarray,jhamman/xarray,shoyer/xray,jhamman/xray,rabernat/xray,shoyer/xarray,rabernat/xray,jcmgray/xarray,markelg/xray,pydata/xarray,jhamman/xarray,markelg/xray,pydata/xarray,chunweiyuan/xarray,xray/xray,markelg/xray,pydata/xarray,shoyer/xarray