downgrade [email protected]

Author: zjb0807

.github/workflows/test.yml

@@ -37,6 +37,7 @@ jobs:
       run: |
         cargo update
         cargo update base64ct --precise 1.6.0 # 1.8.0 requires the Cargo feature called `edition2024`
+        cargo update [email protected] --precise 0.3.0 # TODO: https://github.com/paritytech/polkadot-sdk/issues/9425
     - name: Run clippy
       run: cargo clippy -- -D warnings
     - name: Check for Wasm