restore workloads

Needed for wasm-tools

Author: ldangelo

.github/workflows/dotnet.yml

@@ -21,6 +21,8 @@ jobs:
           dotnet-version: 9.0.x
       - name: Restore dependencies
         run: dotnet restore
+      - name: Restore workloads
+        run: dotnet workload restore
       - name: Build
         run: dotnet build --no-restore
       - name: Test