Update feedstock to use cirun-openstack-gpu-large, cirun-openstack-cpu-large with Cirun

[conda-forge-admin]

Note that only builds triggered by maintainers of the feedstock (and core) who have accepted the terms of service and privacy policy will run on Github actions via Cirun.

• [ ] Maintainers have accepted the terms of service and privacy policy at https://github.com/Quansight/open-gpu-server

Also, note that rerendering with Github actions as CI provider must be done locally in the future for this feedstock.

[conda-forge-webservices[bot]]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipe) and found it was in an excellent condition.