ci(test): add --locked flag to cargo build

Author: ankddev

.github/workflows/test.yml

@@ -29,6 +29,6 @@ jobs:
       - name: Update rust
         run: rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}
       - name: Build
-        run: cargo build --verbose
+        run: cargo build --verbose --locked
       - name: Run tests
         run: cargo test --verbose