Deployment: L2 `VeBoostV2` (Avalanche and zkEVM)

Deployment tasks checklist:

[x] Contract(s) deployed to all target networks / testnets
[x] TX IDs are properly generated
N/A Action IDs are generated after deployment (if applicable)
[x] Outputs for all target networks are generated, and linked in the task readme
[x] Addresses files are up to date with the new deployment
[x] Contracts are verified in every network
[x] Deployments CHANGELOG is updated
[x] There are no code changes of any kind -- just the required inputs

Closes #50 .