Update substrate to 0.9.17

[alistair-singh]

Resolves: SNO-198

Notable Changes

Require MaxEncodedLen per default

paritytech/substrate#10662

• I have added the attribute without_storage_info to pallets which cannot implement MaxEncodedLen yet. This is a non trivial change to make as we have to change code to use BoundedVec and to check bounds.
• Added ticket to address this. Related: SNO-223

Remove Default bound for AccountId

paritytech/substrate#10403

• The zero account is no longer the default as it poses potential risks around external callers using the zero account to gain privileges based on zero account being used as default in the code base.
• I have switched to using Optional<AccountId> in pallets.
• XCM config uses ParentIsPreset as opposed to ParentIsDefault.
• Added CheckNonZeroSender as a signed extension to filter out zero accounts.

Switch from StructOps to Clap for arg parsing

https://github.com/substrate-developer-hub/substrate-parachain-template/pull/101

• The substrate parachain node template now uses clap for args parsing. I have removed StructOps to keep some symmetry with the project to make future upgrades easier.

Updated Workflow Toolchains

• Updated to stable-2022-01-20 (1.58.1)
• This is to support the edition 2021 required by the snowbridge-test-collator

Allow unpaid execution from relay chain or relay chain executive.

https://github.com/substrate-developer-hub/substrate-parachain-template/pull/80

• Changed the XCM config to allow unpaid execution for the relay chain or it's executive. Previously this was set to Unit.

E2E Tests

Currently e2e tests are failing from the parachain -> ethereum direction. This is because of an update to the BEEFY included in v0.9.17 version of polkadot. The beefy light client and relayer will need to be updated.

[vgeddes]

LGTM!