Merge pull request #449 from Cerebellum-Network/feat/new-staging-to-dev

Devnet: polkadot-sdk 1.2 and missing commits from the `new-staging` branch

.github/workflows/stage.yaml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - dev
+      - new-staging
       - master
       - 'release/**'
       - 'hotfix/**'

CHANGELOG.md

@@ -9,14 +9,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [C] Changes is `Cere` Runtime
 - [D] Changes is `Cere Dev` Runtime
 
-## [5.4.1]
+
+## [5.5.0]
 
 ### Changed
 
+- [C,D] Update Substrate from `v1.1` to `v1.2`.
 - [C,D] `pallet-ddc-verification`: Introduction of the Verification pallet to ensure the secure posting and retrieval of verification keys to and from the blockchain.
 - [C,D] `pallet-ddc-clusters`: New `join_cluster` extrinsic.
 
-## [5.4.0]
+
+## [5.4.1]
 
 ### Changed
 
@@ -25,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - [C,D] `WhitelistOrigin` is set to the Technical Committee Collective Body
 - [C,D] The _Support Curve_ in OpenGov Tracks is made more strict
 
+
 ## [5.3.0]
 
 ### Changed