add poke_deposit extrinsic to pallet-proxy

[UtkarshBhardwaj007]

Description

• This PR adds a new extrinsic poke_deposit to pallet-proxy. This extrinsic will be used to re-adjust the deposits made in the pallet to create a proxy or to create an announcement.
• Part of Re-consideration poke for Deposits  #5591

Review Notes

• Added a new extrinsic poke_deposit in pallet-proxy.
• This extrinsic checks and adjusts the deposits made for either creating a proxy or creating an announcement or both.
• Added a new event DepositPoked to be emitted upon a successful call of the extrinsic.
• Although the immediate use of the extrinsic will be to give back some of the deposit after the AH-migration, the extrinsic is written such that it can work if the deposit decreases or increases (both).
• The call to the extrinsic would be free if an actual adjustment is made to the deposit for creating a proxy or to the deposit for creating an announcement or both and paid otherwise (when no deposit is changed).
• Added a new enum DepositKind to differentiate between proxy deposit adjusted and announcement deposit adjusted when emitting events.
• Added tests to test all scenarios.

TO-DOs

• Run CI cmd bot to benchmark

[UtkarshBhardwaj007]

/cmd fmt

[UtkarshBhardwaj007]

/cmd prdoc

[UtkarshBhardwaj007]

/cmd bench --pallet pallet_proxy

[github-actions]

Command "bench --pallet pallet_proxy" has started 🚀 See logs here

[github-actions]

Command "bench --pallet pallet_proxy" has finished ✅ See logs here

Subweight results:

File	Extrinsic	Old	New	Change [%]
substrate/frame/proxy/src/weights.rs	proxy	90.81us	101.12us	+11.35
substrate/frame/proxy/src/weights.rs	remove_proxies	144.63us	151.88us	+5.01
substrate/frame/proxy/src/weights.rs	poke_deposit		422.97us	Added
polkadot/runtime/westend/src/weights/pallet_proxy.rs	poke_deposit		425.37us	Added
polkadot/runtime/rococo/src/weights/pallet_proxy.rs	poke_deposit		420.40us	Added
cumulus/parachains/runtimes/people/people-westend/src/weights/pallet_proxy.rs	poke_deposit		420.64us	Added
cumulus/parachains/runtimes/people/people-rococo/src/weights/pallet_proxy.rs	poke_deposit		419.49us	Added
cumulus/parachains/runtimes/coretime/coretime-westend/src/weights/pallet_proxy.rs	poke_deposit		419.10us	Added
cumulus/parachains/runtimes/coretime/coretime-rococo/src/weights/pallet_proxy.rs	poke_deposit		420.02us	Added
cumulus/parachains/runtimes/collectives/collectives-westend/src/weights/pallet_proxy.rs	poke_deposit		426.12us	Added
cumulus/parachains/runtimes/assets/asset-hub-westend/src/weights/pallet_proxy.rs	poke_deposit		420.42us	Added
cumulus/parachains/runtimes/assets/asset-hub-rococo/src/weights/pallet_proxy.rs	poke_deposit		423.69us	Added

Command output:

✅ Successful benchmarks of runtimes/pallets:
-- dev: ['pallet_proxy']
-- westend: ['pallet_proxy']
-- rococo: ['pallet_proxy']
-- asset-hub-westend: ['pallet_proxy']
-- asset-hub-rococo: ['pallet_proxy']
-- collectives-westend: ['pallet_proxy']
-- coretime-rococo: ['pallet_proxy']
-- coretime-westend: ['pallet_proxy']
-- people-rococo: ['pallet_proxy']
-- people-westend: ['pallet_proxy']

[re-gius]

LGTM