github: Bump go version for test-current-cov

[codebien]

Unfortunately I missed it during #2920. Fixing.

[codecov-commenter]

Codecov Report

Merging #2922 (53b84b0) into master (4463298) will increase coverage by 0.00%.
The diff coverage is 83.33%.

❗ Current head 53b84b0 differs from pull request most recent head 698fc0d. Consider uploading reports for the commit 698fc0d to get more accurate results

@@           Coverage Diff           @@
##           master    #2922   +/-   ##
=======================================
  Coverage   76.96%   76.96%           
=======================================
  Files         225      225           
  Lines       16893    16895    +2     
=======================================
+ Hits        13001    13004    +3     
+ Misses       3061     3060    -1     
  Partials      831      831           

Flag	Coverage Δ
ubuntu	76.86% <50.00%> (-0.03%)	⬇️
windows	76.75% <83.33%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
lib/fsext/walk.go	47.36% <75.00%> (ø)
js/common/initenv.go	100.00% <100.00%> (ø)
api/v1/metric.go	63.63% <0.00%> (-4.55%)	⬇️
metrics/value_type.go	68.75% <0.00%> (+6.25%)	⬆️

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[codebien]

Closing in favour of #2928