ci(code_check): add --locked to cargo steps

`--locked` indicate to not check dependency new version.
This can reduce step duration, and get locked to versions specified in Cargo.lock.

tips from https://corrode.dev/blog/tips-for-faster-ci-builds/#use-the-locked-flag

.github/workflows/code_check.yml

@@ -49,13 +49,13 @@ jobs:
         id: cargo_clippy
         if: $${{ always() }}
         run: |
-          cargo clippy --profile=test --features ${{ matrix.features }}
+          cargo clippy --locked --profile=test --features ${{ matrix.features }}
 
       - name: "Cargo test"
         id: cargo_test
         if: $${{ always() }}
         run: |
-          cargo test --features ${{ matrix.features }}
+          cargo test --locked --features ${{ matrix.features }}
 
       - name: "Cargo formatting"
         id: cargo_fmt