Downgrade dotnet version, attempt to get build action to work again

Author: michael-r-elp

.github/workflows/Build.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Setup dotnet
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 8.0.404
     # - name: Fetch SIRA References
     #   uses: ProjectSIRA/[email protected]
     #   with: