CompatHelper: bump compat for "FastTransforms" to "0.13"

[github-actions]

This pull request changes the compat entry for the FastTransforms package from 0.12 to 0.12, 0.13.

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

Merging #64 (86ae304) into master (225e677) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #64   +/-   ##
=======================================
  Coverage   57.38%   57.38%           
=======================================
  Files          27       27           
  Lines        2288     2288           
=======================================
  Hits         1313     1313           
  Misses        975      975           

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