Update go.mod to 1.19

[edaniels]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.37%. Comparing base (17e9f5f) to head (745ade0).

❗ Current head 745ade0 differs from pull request most recent head 6e3e847. Consider uploading reports for the commit 6e3e847 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #54   +/-   ##
=======================================
  Coverage   70.37%   70.37%           
=======================================
  Files           8        8           
  Lines        1664     1664           
=======================================
  Hits         1171     1171           
  Misses        467      467           
  Partials       26       26           

Flag	Coverage Δ
go	70.37% <ø> (ø)
wasm	69.05% <ø> (ø)

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[edaniels]

Looks fine