Migrate POL from v2.1 to v3

[yudi]

The main discussion is here -

Proposal: Move v2.1 liquidity to v3

Data Insights on v2.1 → v3 Migrations Part 3: Migrating IL from v2 to v3 to offset the deficit Data Set: https://docs.google.com/spreadsheets/d/18cehllrocu3U-3gDzaNDkpxwX-Pjt-44Xzn53-4X3rI/edit?usp=sharing Note: While this value is calculated for every token in the spreadsheet, it is applicable to only those with a non-zero v2 vault balance post-IL migration. Q: Since v2 positions are exposed to impermanent loss (on a position-basis) this IL could be utilized on v3 to mitigate the deficit. S…