v3.0.0-alpha.4

What's Changed

• ci: lock GH actions by digest by @endersonmaia in #266
• Remove (unused) dependency from Cannon and pnpm by @guidanoli in #269
• Claim staging by @guidanoli in #270
• Proto Sling node by @GCdePaula in #272
• Harden PRT dispute-game contracts by @GCdePaula in #273
• Make tournament events authoritative, and teach the node to follow them by @GCdePaula in #274
• Upgrade to Cartesi Machine v0.21 by @GCdePaula in #276
• ci: npx actions-up by @endersonmaia in #278
• fix(script): drop --offline flag passed to cargo by @guidanoli in #280
• Next/3.0 by @GCdePaula in #277
• Bump rollups-contracts to 3.0.0-alpha.9 by @guidanoli in #281
• PRT machine-yield check by @guidanoli in #282
• Tournament read-interface additions for the reference node by @GCdePaula in #284
• chore: bump rollups-contracts to 3.0.0-alpha.10 by @guidanoli in #285

And a special thanks to @stephenctw, who reviewed several PRs that went into this release!

Full Changelog: v3.0.0-alpha.3...v3.0.0-alpha.4