Update network versions on README (#3067)

Automated version updates:
  - Fuel Ignition: 0.43.2
  - Testnet: 0.44.0
  - Devnet: 0.45.1

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

github-actions[bot] committed 1y ago

8569e8fd57aa66954339b288460f4dc7678c9c33

Parent: 8e34930

Committed by GitHub <noreply@github.com> on 7/29/2025, 7:26:58 PM