Update substrate to the latest with scheduled actions

[clearloop]

From polkadot-v0.9.5 to polkadot-v0.9.40

• [x] refactor the implementation of pallet-chainlink with proc-macro
• [x] fix AccountId problem in both pallet-chainlink and pallet-chainlink-feed
• [x] update pallet-chainlink-feed
  • [x] the implementation of the pallet
  • [x] all of the tests
  • [x] all of the benchmarks
  • [x] update weights
• [x] create workspace for managing all of the rust code in this repo
• [x] add CI for the repo
• [x] add scheduled workflow for checking if everything still works weekly