Michael Simons

The [9.0.101](https://github.com/dotnet/core/blob/main/release-notes/9.0/9.0.0/9.0.101.md) release was an sdk only release which is why it is tagged differently. @EyeCantCU, can you give some background on what you are trying to accomplish. I am...

@sbomer - can you take a look at these vulnerabilities and try to address them? TIA.

> Who is using this style of image at this point. My intuition is that we should have Azure Linux build images and helix test images for everything else. Perhaps...

> Last time I looked at the diagnostics repo, it seems like they were using old patterns. I think we need to stop providing them with images perpetuating old patterns....

This PR will need to be updated to respond to the following infra changes that were recently made: - https://github.com/dotnet/dotnet-buildtools-prereqs-docker/issues/1174 - https://github.com/dotnet/dotnet-buildtools-prereqs-docker/issues/1169

Closing due to inactivity. Feel free to re-open this or a new PR if this is still needed.

We will want to ensure tracking issues are logged for all pipelines still using the Ubuntu 20.04 images. Examples: https://github.com/dotnet/runtime/blob/release/8.0/eng/pipelines/libraries/helix-queues-setup.yml https://github.com/dotnet/runtime/blob/release/8.0/eng/pipelines/coreclr/templates/helix-queues-setup.yml

Related: https://github.com/dotnet/core/pull/9861

This PR will need to be updated to respond to the following infra changes that were recently made: - https://github.com/dotnet/dotnet-buildtools-prereqs-docker/issues/1174 - https://github.com/dotnet/dotnet-buildtools-prereqs-docker/issues/1169

@sbomer - Friendly ping. Is this something you intend to complete? This PR is pretty old now.