speed up bid discovery for intents

[dharjeezy]

Adds an RPC server that watches the transaction pool for place_bid and retract_bid extrinsics, making bids queryable before block inclusion.

Changes

• New pallet-intents-rpc crate RPC handler with in-memory bid cache
• Introduces the bid watcher and cleanup tasks in the node service

RPC Methods

• intents_getBidsForOrder(commitment) which query current bids for an order
• intents_subscribeBids(commitment?) which subscribe to bid notifications, optionally filtered

closes #658

[dharjeezy]

LGTM i think @Wizdave97 has a few unresolved comments, also bump the hyperbridge node verison

I have already gone ahead to apply his suggestions.

[Wizdave97]

Looks good, @dharjeezy let's compare the governance calls in the pallet intent coprocessor to the corresponding message handlers in the solidity contract and update anything that's outdated.

[seunlanlege]

why is CI broken?

[dharjeezy]

why is CI broken?

something to do with foundry failing to compile due to dependency confliction.