latest rust

Author: Brooooooklyn

.github/workflows/benchmark.yml

@@ -65,7 +65,8 @@ jobs:
     needs: build
     steps:
       - uses: actions/checkout@v5
-      
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
       - uses: taiki-e/install-action@v2
         with:
           tool: cargo-codspeed