Migrate rollup node to DogeOS reth

[dghelm]

Summary

• repoint rollup-node Reth and Scroll crates from scroll-tech/reth to DogeOS69/dogeos-reth at 2e37fa5b6ae4b7b28902ca22f4770c72b28ae8f2
• move the workspace onto the Alloy 2.1 / revm 41 lane and remove the scroll-tech/revm patch
• replace the in-process Foundry Anvil dependency with alloy-node-bindings for test utilities
• update payload/header/transaction test constructors for the new Alloy/Reth fields

Notes

The Anvil test path now uses an external anvil binary. Integration runners need a compatible Anvil in PATH with --load-state and --slots-in-an-epoch support. The local smoke test used anvil 1.5.0-stable.

I attempted to add an explicit workflow prerequisite check, but pushing workflow edits requires the GitHub workflow token scope. This PR documents the runner contract instead.

Validation

• cargo test --workspace --no-run --locked
• cargo test -p rollup-node --all-features --test l1_sync test_l1_sync_batch_commit --locked -- --nocapture
• git diff --check
• dependency scan confirmed no active scroll-tech/revm, op-revm, revm v30, alloy-evm v0.22, or old Foundry crate path in the rollup-node tree

[dghelm]

Early draft -- can close.