Update scalaz-core to 7.2.27

[scala-steward]

Updates org.scalaz:scalaz-core from 7.2.26 to 7.2.27.

I'll automatically update this PR to resolve conflicts as long as you don't change it yourself.

If you'd like to skip this version, you can just close this PR. If you have any feedback, just mention @scala-steward in the comments below.

Have a nice day!

[codecov-io]

Codecov Report

Merging #155 into master will increase coverage by 0.36%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #155      +/-   ##
==========================================
+ Coverage      69%   69.37%   +0.36%     
==========================================
  Files          17       17              
  Lines         542      542              
  Branches       72       72              
==========================================
+ Hits          374      376       +2     
+ Misses        168      166       -2

Impacted Files	Coverage Δ
core/src/main/scala/cats/collections/Diet.scala	56.47% <0%> (+2.35%)	⬆️

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