Update rust.yml

.github/workflows/rust.yml

@@ -21,9 +21,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: Set up Rust
-      uses: actions/setup-rust@v2
-      with:
-        rust-version: stable
+      uses: dtolnay/rust-toolchain@stable
     - name: Build
       run: cargo build --verbose
     - name: Run tests