add rustfmt on CI, fixed building failure on windows

.github/workflows/release.yaml

@@ -26,6 +26,7 @@ jobs:
     - uses: hecrj/setup-rust-action@v1
       with:
         rust-version: stable
+        components: rustfmt
     - uses: actions/checkout@v1
     - name: Build
       run: cargo build --release