Update .github/workflows/release.yaml

.github/workflows/release.yaml

@@ -42,6 +42,14 @@ jobs:
         with:
           dotnet-version: '8.0.x'
 
+      - name: Intall mono
+        run: |
+          curl -fsSL https://download.mono-project.com/repo/xamarin.gpg | gpg --dearmor -o /usr/share/keyrings/mono-official-stable.gpg
+          echo "deb [signed-by=/usr/share/keyrings/mono-official-stable.gpg] https://download.mono-project.com/repo/ubuntu stable-focal main" > /etc/apt/sources.list.d/mono-official-stable.list
+          apt-get update
+          apt-get install -y --no-install-recommends apt-transport-https mono-complete
+
+
       - uses: nuget/setup-nuget@v1
         name: Setup nuget cli
         with: