Update rust version in docs
Update rust version in docs

rrader/vagga,tailhook/vagga,joehillen/vagga,tailhook/vagga,KaminoDice/vagga,popravich/vagga,joehillen/vagga,rrader/vagga,KaminoDice/vagga,popravich/vagga,KaminoDice/vagga,popravich/vagga,tailhook/vagga,popravich/vagga,joehillen/vagga,joehillen/vagga,rrader/vagga,tailhook/vagga