make many of the Semigroups and Monoids commutative

[bpholt]

No description provided.

[codecov]

Codecov Report

Merging #1006 (b548226) into master (c246071) will increase coverage by 0.18%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1006      +/-   ##
==========================================
+ Coverage   92.40%   92.58%   +0.18%     
==========================================
  Files          63       63              
  Lines         816      836      +20     
  Branches        8       10       +2     
==========================================
+ Hits          754      774      +20     
  Misses         62       62              

Impacted Files	Coverage Δ
...c/main/scala/eu/timepit/refined/cats/package.scala	93.84% <100.00%> (+2.73%)	⬆️

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[fthomas]

LGTM. Many thanks @bpholt!