Travis bump go versions

[ddymko]

Description

Bumping go versions in travis

Related Issues

Checklist:

• Have you checked to ensure there aren't other open Pull Requests for the same update/change?
• Have you linted your code locally prior to submission?
• Have you successfully ran tests with your changes locally?

[codecov]

Codecov Report

Merging #63 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master      #63   +/-   ##
=======================================
  Coverage   72.00%   72.00%           
=======================================
  Files          24       24           
  Lines        2668     2668           
=======================================
  Hits         1921     1921           
  Misses        376      376           
  Partials      371      371           

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