add default time out for git operations

[lunny]

Will fix #3436

[codecov-io]

Codecov Report

Merging #6015 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #6015      +/-   ##
==========================================
- Coverage   38.73%   38.72%   -0.01%     
==========================================
  Files         332      332              
  Lines       48992    48994       +2     
==========================================
- Hits        18976    18975       -1     
- Misses      27269    27271       +2     
- Partials     2747     2748       +1

Impacted Files	Coverage Δ
modules/setting/setting.go	51.89% <100%> (+0.11%)	⬆️
modules/process/manager.go	76.81% <0%> (-4.35%)	⬇️

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