CompatHelper: bump compat for FastTransforms to 0.16, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the FastTransforms package from 0.12, 0.13, 0.14, 0.15.1 to 0.12, 0.13, 0.14, 0.15.1, 0.16.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.21%. Comparing base (422ec82) to head (a781826).
Report is 14 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #343      +/-   ##
==========================================
+ Coverage   69.41%   73.21%   +3.80%     
==========================================
  Files          30       30              
  Lines        2805     2834      +29     
==========================================
+ Hits         1947     2075     +128     
+ Misses        858      759      -99     

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