chore: mark `prague` hardfork as latest and select it by default

[zerosnacks]

Component

Other (please describe)

Describe the feature you would like

Considering Prague and Isthmus have landed I think we should actively follow up now by marking Prague as latest for v1.3

Solidity 0.8.30+ ships with prague support by default

It is available from 0.8.27+ onwards

Book PR: foundry-rs/book#1517

Additional context

No response