add wasm32 target for runtime compilation

Author: x3c41a

.github/workflows/smoldot-test.yml

@@ -26,6 +26,8 @@ jobs:
 
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: wasm32-unknown-unknown
 
       - name: Install system dependencies
         run: |