Add 32bit builds to GoReleaser

[redhatrises]

No description provided.

[codecov]

Codecov Report

Merging #326 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #326   +/-   ##
=======================================
  Coverage   79.06%   79.06%           
=======================================
  Files          38       38           
  Lines        1428     1428           
=======================================
  Hits         1129     1129           
  Misses        246      246           
  Partials       53       53

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[shawndwells]

Thanks, @redhatrises !