Cargo check before test to catch warnings/errors

Co-Authored-By: Nathan Sobo <nathan@zed.dev>

.github/workflows/ci.yml

@@ -42,6 +42,9 @@ jobs:
           clean: false
           submodules: 'recursive'
 
+      - name: Run check
+        run: cargo check --workspace
+
       - name: Run tests
         run: cargo test --workspace --no-fail-fast