Migrate pallet-treasury to the new pallet attribute macro (#9197)

* Migrate pallet-treasury to the new pallet attribute macro

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Fix bounties/tips tests

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* fix

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* Update frame/treasury/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* Update frame/treasury/src/lib.rs

Co-authored-by: Guillaume Thiolliere <gui.thiolliere@gmail.com>

* use `GenesisBuild`

* fix imports

Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

substrate/frame/treasury/README.md

@@ -1,11 +1,11 @@
-# Treasury Module
+# Treasury Pallet
 
-The Treasury module provides a "pot" of funds that can be managed by stakeholders in the system and
+The Treasury pallet provides a "pot" of funds that can be managed by stakeholders in the system and
 a structure for making spending proposals from this pot.
 
 ## Overview
 
-The Treasury Module itself provides the pot to store funds, and a means for stakeholders to propose,
+The Treasury Pallet itself provides the pot to store funds, and a means for stakeholders to propose,
 approve, and deny expenditures. The chain will need to provide a method (e.g.inflation, fees) for
 collecting funds.
 
@@ -19,7 +19,7 @@ and use the funds to pay developers.
   approved.
 - **Deposit:** Funds that a proposer must lock when making a proposal. The deposit will be returned
   or slashed if the proposal is approved or rejected respectively.
-- **Pot:** Unspent funds accumulated by the treasury module.
+- **Pot:** Unspent funds accumulated by the treasury pallet.
 
 ## Interface