Use Go 1.14 in go.mod

[yurishkuro]

No description provided.

[codecov-commenter]

Codecov Report

Merging #234 into master will increase coverage by 9.20%.
The diff coverage is 88.00%.

@@            Coverage Diff             @@
##           master     #234      +/-   ##
==========================================
+ Coverage   59.54%   68.75%   +9.20%     
==========================================
  Files          14       15       +1     
  Lines         833      848      +15     
==========================================
+ Hits          496      583      +87     
+ Misses        297      225      -72     
  Partials       40       40              

Impacted Files	Coverage Δ
noop.go	5.00% <0.00%> (ø)
ext/tags.go	80.00% <66.66%> (ø)
ext/field.go	100.00% <100.00%> (ø)
gocontext.go	88.23% <100.00%> (+0.73%)	⬆️
log/field.go	59.68% <100.00%> (+25.28%)	⬆️
log/util.go	100.00% <100.00%> (+100.00%)	⬆️

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