feat(governance): proposal to swap DAO's UDT on Base to UP

[clemsos]

Description

This adds a proposal for the new DAO on base to swap UDT tokens sent with #14445 to UP token

Issues

Fixes # Refs #

Checklist:

• [ ] 1 PR, 1 purpose: my Pull Request applies to a single purpose
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have updated the docs to reflect my changes if applicable
• [ ] I have added tests (and stories for frontend components) that prove my fix is effective or that my feature works
• [ ] I have performed a self-review of my own code
• [ ] If my code involves visual changes, I am adding applicable screenshots to this thread

Release Note Draft Snippet

[clemsos]

proper execution tested here https://sepolia.basescan.org/tx/0x67a7d66a265ae78e29a854266ef761d6660606d2cd60a260ce02cc10d0aa1c0a#eventlog