v0.2.4

What's changed

• Timeboost support — testnode can boot with timeboost / auction contracts (#7)
• L1 anvil as a Docker compose service — anvil now runs as the l1 compose service for reliable teardown (#13, #15)
• Automated testnode image publishing on tags — pushing a v* tag publishes the testnode image (#11)
• Modular testnode workspace with snapshot-backed published variants (#6)

Full changelog: v0.2.2...v0.2.4