build: update go version to 1.19 (backport #1689)

[mergify]

This is an automatic backport of pull request #1689 done by Mergify.

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[codecov]

Codecov Report

Merging #1693 (0b98065) into release/v5.0.x (ba7d09b) will not change coverage.
The diff coverage is 88.88%.

Additional details and impacted files

@@               Coverage Diff               @@
##           release/v5.0.x    #1693   +/-   ##
===============================================
  Coverage           72.77%   72.77%           
===============================================
  Files                 228      228           
  Lines               13596    13596           
===============================================
  Hits                 9894     9894           
  Misses               2969     2969           
  Partials              733      733           

Impacted Files	Coverage Δ
app/utils.go	0.00% <0.00%> (ø)
types/testutil/network/util.go	70.46% <100.00%> (ø)
x/ecocredit/base/client/utils.go	90.62% <100.00%> (ø)
x/ecocredit/basket/client/util.go	100.00% <100.00%> (ø)
x/ecocredit/marketplace/client/util.go	100.00% <100.00%> (ø)