`cuh` headers not included in CUDA count

[Jackaed]

Describe the bug
.cuh headers are not included in the count for CUDA code.

Expected behavior
.cuh headers are included in the count for CUDA.

Desktop (please complete the following information):

• OS: Linux
• Version: 3.7.0

[boyter]

Should make the next release.

[Jackaed]

Should make the next release.

Thank you!