Fix lint issues in output/cloud/*

[mstoykov]

works on #769

[codecov-commenter]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (856a767) 73.22% compared to head (6f6d91b) 73.21%.

❗ Current head 6f6d91b differs from pull request most recent head f35ea7c. Consider uploading reports for the commit f35ea7c to get more accurate results

Files	Patch %	Lines
output/cloud/output.go	0.00%	1 Missing and 1 partial ⚠️
output/cloud/v1/data.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3483      +/-   ##
==========================================
- Coverage   73.22%   73.21%   -0.01%     
==========================================
  Files         267      267              
  Lines       20083    20084       +1     
==========================================
- Hits        14706    14705       -1     
- Misses       4463     4465       +2     
  Partials      914      914              

Flag	Coverage Δ
ubuntu	73.16% <62.50%> (-0.01%)	⬇️
windows	73.07% <62.50%> (+<0.01%)	⬆️

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