Update cats-core to 2.8.0

[typelevel-steward]

Updates org.typelevel:cats-core from 2.7.0 to 2.8.0.
GitHub Release Notes - Version Diff

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labels: library-update, early-semver-minor, semver-spec-minor, commit-count:1

[codecov-commenter]

Codecov Report

Merging #422 (10312c7) into main (fd1d688) will decrease coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #422      +/-   ##
==========================================
- Coverage   95.06%   94.99%   -0.08%     
==========================================
  Files           9        9              
  Lines        1338     1338              
  Branches      124      124              
==========================================
- Hits         1272     1271       -1     
- Misses         66       67       +1     

Impacted Files	Coverage Δ
core/shared/src/main/scala/cats/parse/Parser.scala	94.45% <0.00%> (-0.09%)	⬇️

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[johnynek]

I think we need to bump to scala 3.1 here.

But on the bright side it enables scala native I think.