bump rdmp version

Author: JFriel

.github/workflows/dotnet-core.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           repository: HicServices/RDMP
-          ref: v9.0.0-rc1
+          ref: v9.0.3
           path: RDMP
       - uses: actions/setup-dotnet@v4
         with: