Polkadot v1.1. to v1.2 upgrade

.github/workflows/ci.yaml

@@ -50,7 +50,7 @@ jobs:
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2
       - name: Install try-runtime
-        run: cargo install --git https://github.com/paritytech/try-runtime-cli --locked
+        run: cargo install --git https://github.com/paritytech/try-runtime-cli --tag v0.7.0 --locked
       - name: Check Build
         run: |
           cargo build --release --features try-runtime
@@ -114,4 +114,4 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: tarpaulin coverage
-          path: ./tarpaulin-report.xml
+          path: ./tarpaulin-report.xml

.github/workflows/stage.yaml

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

CHANGELOG.md

@@ -10,6 +10,9 @@ 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
 
+## [5.5.0]
+
+- [C,D] Update Substrate from `v1.1` to `v1.2`.
 
 ## [5.4.0]
 
@@ -260,4 +263,4 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Code from the [old repository](https://github.com/Cerebellum-Network/pos-network-node) to follow the [Substrate node template](https://github.com/substrate-developer-hub/substrate-node-template). Its CHANGELOG can be found [here](https://github.com/Cerebellum-Network/pos-network-node/blob/master-cere/CHANGELOG.md).
-- Support for various runtimes: `cere` and `cere-dev`
+- Support for various runtimes: `cere` and `cere-dev`