chore(deps): harden dependency updates (#28)

.github/workflows/check.yml

@@ -17,4 +17,4 @@ jobs:
       - uses: actions/checkout@v7
       - uses: dtolnay/rust-toolchain@1.88.0
       - uses: Swatinem/rust-cache@v2.9.1
-      - run: cargo check
+      - run: cargo check --locked