update rust toolchain action

Author: laduke

.github/workflows/build.yml

@@ -11,10 +11,10 @@ jobs:
     - name: checkout
       uses: actions/checkout@v3
     - name: Install Rust
-      uses: actions-rs/toolchain@v1
+      uses: dtolnay/rust-toolchain@stable
       with:
         toolchain: stable
-        target: x86_64-unknown-linux-gnu
+        targets: x86_64-unknown-linux-gnu
         override: true
         components: rustfmt, clippy