Add mint testnet, fix superlumio & metal

[mergd]

Description

Add mint, fix superlumio and metal, with the config script from this PR: https://github.com/ethereum-optimism/optimism/pull/10231/files

Links to the json files:

• metal
• pontem/superlumio
• mint sepolia
• metal sepolia

Tests

Please describe any tests you've added. If you've added no tests, or left important behavior untested, please explain why not.

Additional context

Add any other context about the problem you're solving.

Metadata

• Fixes #[Link to Issue]