CompatHelper: bump compat for RadialBasisFunctions to 0.7, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the RadialBasisFunctions package from 0.5 to 0.5, 0.7.
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 46.26%. Comparing base (b017434) to head (934d62e).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #71   +/-   ##
=======================================
  Coverage   46.26%   46.26%           
=======================================
  Files         126      126           
  Lines       19280    19280           
=======================================
  Hits         8919     8919           
  Misses      10361    10361           

Flag	Coverage Δ
tests	46.26% <ø> (ø)

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