Add sim evm supported-protocols command

[ivpusic]

Summary

• Adds dune sim evm supported-protocols, wrapping GET /v1/evm/defi/supported-protocols.
• Exposes --include-preview-chains / --include-preview-protocols flags; defaults to no query params.
• Text output lists each protocol family with its chains (* suffix marks preview status) and recognized sub-protocols; -o json passes the raw response through.

Test plan

• go build ./...
• go vet ./...
• go test ./... (Sim E2E tests skip without DUNE_SIM_API_KEY)
• go run ./cmd sim evm supported-protocols — verified text + JSON output against the live API

[cursor]

PR Summary

Low Risk
Additive CLI surface area that calls a new read-only API endpoint; main risk is output/flag behavior changes and reliance on upstream API response shape.

Overview
Adds a new dune sim evm supported-protocols CLI command that wraps GET /v1/evm/defi/supported-protocols to list DeFi protocol families, supported chains, and sub-protocols.

The command supports --include-preview-chains and --include-preview-protocols query flags, outputs either a formatted table (marking preview chains with *) or raw JSON via -o json, and is wired into the sim/sim evm help text and command tree with basic E2E-style tests.

^{Reviewed by Cursor Bugbot for commit 490ed85. Configure here.}