CompatHelper: bump compat for LsqFit to 0.13, (keep existing compat)

[github-actions[bot]]

This pull request changes the compat entry for the LsqFit package from 0.9, 0.10, 0.11, 0.12 to 0.9, 0.10, 0.11, 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[bot]]

Codecov Report

Merging #44 (7c6bd87) into master (312a5c3) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #44   +/-   ##
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  Coverage   41.33%   41.33%           
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  Files          22       22           
  Lines        3757     3757           
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  Hits         1553     1553           
  Misses       2204     2204           

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