Use GPUToolbox.jl

[christiangnrd]

Should be gtg if tests pass

This is not a NFC unlike the others as the @checked and @debug_ccall versions are the CUDA ones that have had updates.

TODO:

• Remove [sources] entry
• Add compat entry

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.72%. Comparing base (fac461d) to head (e12961b).
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #490      +/-   ##
==========================================
- Coverage   81.90%   81.72%   -0.18%     
==========================================
  Files          45       44       -1     
  Lines        2547     2528      -19     
==========================================
- Hits         2086     2066      -20     
- Misses        461      462       +1     

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