Update to edition 2021

[nuke-web3]

using rust stable 1.59.0
cargo fix --edition fails on present master:

 Migrating relays/client-rialto/src/lib.rs from 2018 edition to 2021
    Checking relay-kusama-client v0.1.0 (/home/dan/git/parity-bridges-common/relays/client-kusama)
   Migrating relays/client-kusama/src/lib.rs from 2018 edition to 2021
error[E0391]: cycle detected when computing when `runtime::UtilityCall` has a significant destructor
   --> relays/client-polkadot/src/runtime.rs:146:1
    |
146 | pub enum UtilityCall {
    | ^^^^^^^^^^^^^^^^^^^^
    |
    = note: ...which immediately requires computing when `runtime::UtilityCall` has a significant destructor again
    = note: cycle used when computing whether `relay_substrate_client::chain::SignParam<Polkadot>` has a significant drop

For more information about this error, try `rustc --explain E0391`.
error: could not compile `relay-polkadot-client` due to previous error
warning: build failed, waiting for other jobs to finish...
error[E0391]: cycle detected when computing when `runtime::UtilityCall` has a significant destructor
   --> relays/client-kusama/src/runtime.rs:146:1
    |
146 | pub enum UtilityCall {
    | ^^^^^^^^^^^^^^^^^^^^
    |
    = note: ...which immediately requires computing when `runtime::UtilityCall` has a significant destructor again
    = note: cycle used when computing whether `relay_substrate_client::chain::SignParam<Kusama>` has a significant drop

error: build failed

cargo fix --edition --all-features also fails for unimplimented

Polkadot-primitives v0.9.13 (https://github.com/paritytech/polkadot?branch=master#60df3c55)
error[E0046]: not all trait items implemented, missing: `successful_origin`
    -->......./checkouts/substrate-7e08433d4c370a21/31d90c2/frame/society/src/lib.rs:1268:1
     |
1268 | impl<T: Config> EnsureOrigin<T::Origin> for EnsureFounder<T> {
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `successful_origin` in implementation
     |
     = help: implement the missing item: `fn successful_origin() -> OuterOrigin { todo!() }`