Build .NET 9.0.200 also

Author: tdg5

.github/workflows/main-quality-check.yaml

@@ -22,6 +22,7 @@ jobs:
           - '9.0.100'
           - '9.0.102'
           - '9.0.103'
+          - '9.0.200'
     steps:
       - name: Checkout Project
         uses: actions/checkout@v3