Update scalaz-core to 7.3.7

[typelevel-steward]

Updates org.scalaz:scalaz-core from 7.3.6 to 7.3.7.
GitHub Release Notes - Version Diff

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

[danicheg]

Does one else feel that we can give up on this dep? Only one suite with few benchmarks depends on it.

[djspiewak]

Benchmarks are all about comparing to useful reference points that are well understood. At the time, I think scalaz was just such a reference point, but I would have a hard time arguing that it remains so today. I would be in favor of removing these measurements.