Add taiko testnet selector

[Krish-vemula]

• Added arc testnet selector

• Auto-fix: buf format, gofmt, go generate, go mod tidy

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Latest commit: 950f349

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[github-actions]

The latest Buf updates on your PR. Results from workflow Regenerate Protobuf Files / buf (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	⏩ skipped	Jan 26, 2026, 8:22 PM

[github-actions]

This PR is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.