Add compat for DataInterpolations v7

[visr]

I didn't see a CompatHelper PR, but see the action failed last two times, not sure why: https://github.com/adrhill/SparseConnectivityTracer.jl/actions/workflows/CompatHelper.yml

The breaking changes relate to the extrapolation API, which doesn't affect this package.
https://github.com/SciML/DataInterpolations.jl/releases/tag/v7.0.0

[adrhill]

Thanks, I'll take a look at fixing CompatHelper as well!

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.87%. Comparing base (c4b1ede) to head (9d60a84).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #221   +/-   ##
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  Coverage   93.87%   93.87%           
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  Files          30       30           
  Lines        1159     1159           
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  Hits         1088     1088           
  Misses         71       71           

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[adrhill]

CompatHelper appears to work now! :)