target branch-24.04 for GitHub Actions workflows

[jameslamb]

Description

Follow-up to #14712

For all GitHub Actions configs, replaces uses of the test-cuda-12.2 branch on shared-workflows with branch-24.04, now that https://github.com/rapidsai/shared-workflows/pull/166 has been merged.

Notes for Reviewers

This is part of ongoing work to build and test packages against CUDA 12.2 across all of RAPIDS.

For more details see:

• https://github.com/rapidsai/build-planning/issues/7

(created with rapids-reviser)

[jakirkham]

Thanks James! 🙏

One CI job failed. Restarting that job

[jakirkham]

CI is now passing! 🎉

[jakirkham]

/merge