CI: Setup dotnet SDK before running automatic build

.gitea/workflows/ci.yml

@@ -27,8 +27,11 @@ jobs:
       uses: https://github.com/actions/setup-dotnet@v4
       with:
         dotnet-version: '9.x'
-    - name: LS
+    - name: Setup NuGet
-      run: ls -lisa
+      uses: https://github.com/nuget/setup-nuget@v2
+      with:
+        # nuget-api-key: ${{ secrets.NuGetAPIKey }}
+        nuget-version: '5.x'
     - name: Build Oqtane
       run: dotnet build ./oqtane.framework/Oqtane.sln --configuration Debug
     - name: Build Module