Devnet Node Version Incompatibility with @alephium/cli v2.x

[YYBer]

Issue Description

The current docker-compose.yml for the Devnet environment uses an outdated version of the Alephium node, which causes compatibility issues with the latest versions of the Alephium CLI.

• Official devnet/docker-compose.yml: Uses alephium/alephium:v4.0.1
• Latest @alephium/cli: v2.0.7 (requires node v4.2.0+)

Proposed Solution

Update devnet/docker-compose.yml to use a compatible node version:

services: alephium: image: alephium/alephium:v4.2.0