In PR https://github.com/dotnet/dotnet-docker/pull/6747, the update-dependencies tool is causing variable references to be replaced with their hard-coded values. See https://github.com/dotnet/dotnet-docker/commit/685948c9a26d708b6fca4aa5f0dc33d3e5eedd46
