v0.3.0

What's Changed

• ci: add timeout + gate publish-crate on build by @remit-md in #3
• chore: update testnet addresses after full Base Sepolia redeploy by @remit-md in #4
• remove arbitration field and dispute comment by @remit-md in #5
• V19 C5: 10 CLI bug fixes by @remit-md in #6
• fix: error on unknown chain, null nonce, clock failure by @remit-md in #7
• fix: CLI --mainnet flag + config errors + /contracts fetch by @remit-md in #8
• fix: make tab args required, panic on JSON failure (V20 C5.10-11) by @remit-md in #9
• fix: CLI parity — path signing, env var, v0.3.0 by @remit-md in #10

Full Changelog: v0.2.0...v0.3.0