Update rapids-cmake to support cccl 2.8 new install rules

[robertmaynard]

Description

Previous logic had the CCCL rules updated for 2.7 but that was due to incorrect information.

Updated tests to confirm the install logic against 2.7 and 2.8

Checklist

• [x] I am familiar with the Contributing Guidelines.
• [x] New or existing tests cover these changes.
• [x] The documentation is up to date with these changes.
• [x] The cmake-format.json is up to date with these changes.

[robertmaynard]

/merge