Feat: Polkadot v1.6 to v1.7 upgrade

.github/workflows/ci.yaml

@@ -44,7 +44,7 @@ jobs:
       - name: Install toolchain and rust-src
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.77.0
+          toolchain: 1.81.0
           override: true
           target: wasm32-unknown-unknown
           components: rust-src
@@ -58,7 +58,7 @@ jobs:
       - name: Check Try-Runtime
         run: |
           try-runtime --runtime ./target/release/wbuild/cere-runtime/cere_runtime.compact.compressed.wasm \
-          on-runtime-upgrade --disable-idempotency-checks live --uri wss://archive.mainnet.cere.network:443
+          on-runtime-upgrade --disable-idempotency-checks live --uri wss://archive.testnet.cere.network:443
       - name: Run dev chain
         run: |
           timeout --preserve-status 30s ./target/release/cere --dev
@@ -78,7 +78,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.77.0
+          toolchain: 1.81.0
           override: true
           target: wasm32-unknown-unknown
           components: rust-src
@@ -101,7 +101,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: 1.77.0
+          toolchain: 1.81.0
           override: true
           target: wasm32-unknown-unknown
           components: rust-src

CHANGELOG.md

@@ -10,6 +10,10 @@ 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
 
+## [6.4.0]
+
+- [C,D] Update Substrate from `v1.6` to `v1.7`.
+- 
 ## [6.3.0]
 
 - [C,D] Update Substrate from `v1.5` to `v1.6`.