BGD. Aave v3.1 and Aave Origin

As an update for the community, the Cantina security contest has finished with quite good preliminary results, and once judging finishes, we will publish all rewarded findings on the appropriate forum thread HERE.

In parallel, we are finalising all the required fixes, and we estimate next week as a realistic target to create a governance proposal, for the community to upgrade all Aave pool instances to v3.1.