chore: Add Zisk

[kevaundray]

Currently reth requires 1.85 but the zisk guest toolchain is set to 1.84:

error: rustc 1.84.0-dev is not supported by the following packages:
  alloy-evm@0.5.0 requires rustc 1.85
  reth-chainspec@1.3.12 requires rustc 1.85
  reth-consensus@1.3.12 requires rustc 1.85
  reth-consensus-common@1.3.12 requires rustc 1.85
  reth-db-models@1.3.12 requires rustc 1.85
  reth-errors@1.3.12 requires rustc 1.85
  reth-ethereum-consensus@1.3.12 requires rustc 1.85
  reth-ethereum-forks@1.3.12 requires rustc 1.85
  reth-ethereum-primitives@1.3.12 requires rustc 1.85
  reth-evm@1.3.12 requires rustc 1.85
  reth-evm-ethereum@1.3.12 requires rustc 1.85
  reth-execution-errors@1.3.12 requires rustc 1.85
  reth-execution-types@1.3.12 requires rustc 1.85
  reth-network-peers@1.3.12 requires rustc 1.85
  reth-primitives@1.3.12 requires rustc 1.85
  reth-primitives-traits@1.3.12 requires rustc 1.85
  reth-prune-types@1.3.12 requires rustc 1.85
  reth-revm@1.3.12 requires rustc 1.85
  reth-stages-types@1.3.12 requires rustc 1.85
  reth-stateless@1.3.12 requires rustc 1.85
  reth-static-file-types@1.3.12 requires rustc 1.85
  reth-storage-api@1.3.12 requires rustc 1.85
  reth-storage-errors@1.3.12 requires rustc 1.85
  reth-trie-common@1.3.12 requires rustc 1.85
  reth-trie-sparse@1.3.12 requires rustc 1.85
Either upgrade rustc or select compatible dependency versions with
`cargo update <name>@<current-ver> --precise <compatible-ver>`
where `<compatible-ver>` is the latest version supporting rustc 1.84.0-dev

Error: Error executing Build command

[kevaundray]

The backend integration will be done in ere