[DOC]: Incorrect anchor link to cooperative groups in programming guide

[wence-]

Is this a duplicate?

• I confirmed there appear to be no duplicate issues for this bug and that I agree to the Code of Conduct

Is this for new documentation, or an update to existing docs?

Update

Describe the incorrect/future/missing documentation

The anchor link on https://nvidia.github.io/libcudacxx/extended_api/thread_groups.html is incorrect as it was changed in the programming guide.

If this is a correction, please provide a link to the incorrect documentation. If this is a new documentation request, please link to where you have looked.

No response

[github-actions]

Hi @wence-!

Thanks for submitting this issue - the CCCL team has been notified and we'll get back to you as soon as we can!
In the mean time, feel free to add any relevant information to this issue.