go work: save go.work.sum locally

[Desiki-high]

Details

go.work.sum always changes too large. We only need it to work well locally. See #1490 (comment).

Types of changes

What types of changes does your PullRequest introduce? Put an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

Go over all the following points, and put an x in all the boxes that apply.

• I have updated the documentation accordingly.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Merging #1491 (c98d27c) into master (767adcf) will decrease coverage by 0.02%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1491      +/-   ##
==========================================
- Coverage   62.51%   62.50%   -0.02%     
==========================================
  Files         123      123              
  Lines       43148    43148              
  Branches    43148    43148              
==========================================
- Hits        26975    26970       -5     
  Misses      14870    14870              
- Partials     1303     1308       +5     

see 2 files with indirect coverage changes

[imeoer]

Thanks!