Update to coloc

If you like coloc, but hate making a single causal variant assumption, check out this update now published https://t.co/EWdL7yF6Ul with the package available from CRAN https://t.co/jJ5EWB3DDI and vignette https://t.co/sWouPEk5c2. https://t.co/SmjSRDdXTg

— Chris Wallace 🇪🇺 🏳️‍🌈 (@chr1swallace) September 29, 2021