onnxruntime

0fbbb6a4 - WindowsAI build failing due to deprecated .NET5 SDK missing in build image (#15383)

WindowsAI build failing due to deprecated .NET5 SDK missing in build image (#15383) WindowsAI build failing due to deprecated .NET5 SDK missing in build image .NET5 was deprecated last year, and recently the build machine images have been updated to not include this SDK. Unblock failing builds by force insalling .NET5 SDK as part of the build pipeline.