Merge network addition PRs

[vforgeoux-ledger]

Description

Merging external EVM network related PRs.

🆕 EVM networks added :

• Bitcichain (Add Bitcichain to Ledger #481)
• Core (Add Core to network.c #474)
• Bitrock (New Chain Request | Bitrock Mainnet | BROCK #471)
• Numbers (Added Numbers Protocol to network #450)
• Linea

🔧 Edited networks:

• Rename Astar EVM to Astar Polkadot EVM (feat: update Astar EVM name #478)
• Update Scroll ticker (fix: Update Scroll ticker #472)

Changes include

• Bugfix (non-breaking change that solves an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (change that is not backwards-compatible and/or changes current functionality)
• Tests
• Documentation
• Other (for changes that might not fit in any category)

Breaking changes

N/A

Additional comments

N/A