update gh actions

Author: jayjamesjay

.github/workflows/rust.yml

@@ -11,5 +11,7 @@ jobs:
     - uses: actions/checkout@v1
     - name: Build
       run: cargo build --verbose
+    - name: Build with Rusttls
+      run: cargo build --verbose --features rusttls
     - name: Run tests
       run: cargo test --verbose