Update pushnuget.yml

Author: monoman

.github/workflows/pushnuget.yml

@@ -15,11 +15,14 @@ jobs:
     - name: Setup .NET 5.0
       uses: actions/setup-dotnet@v1.7.2
       with:
-        dotnet-version: 5.0.101
+        dotnet-version: 5.0.103
 
     - name: Setup nuget config
       run: sed 's/GITHUB_TOKEN/${{ secrets.RegistryToken }}/g' .nuget.config > nuget.config
 
+    - name: Restore dependencies
+      run: dotnet restore
+      
     - name: Test with dotnet
       run: dotnet test --configuration Release -v:m | grep -v 'NAME_UNKNOWN:Package'