Fix lint on pr.UpdateCols

[lunny]

As title.

[codecov-io]

Codecov Report

Merging #9688 into master will decrease coverage by 0.07%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #9688      +/-   ##
==========================================
- Coverage   42.32%   42.24%   -0.08%     
==========================================
  Files         587      587              
  Lines       77991    77993       +2     
==========================================
- Hits        33009    32950      -59     
- Misses      40923    41001      +78     
+ Partials     4059     4042      -17

Impacted Files	Coverage Δ
services/pull/check.go	53.37% <0%> (-0.05%)	⬇️
modules/util/sanitize.go	0% <0%> (-63.16%)	⬇️
modules/task/migrate.go	10.52% <0%> (-14.48%)	⬇️
models/task.go	24.13% <0%> (-10.35%)	⬇️
modules/migrations/migrate.go	21.57% <0%> (-4.22%)	⬇️
modules/repository/repo.go	33.55% <0%> (-1.98%)	⬇️
modules/migrations/gitea.go	7.98% <0%> (-1.69%)	⬇️
models/webhook.go	69.39% <0%> (-1.07%)	⬇️
models/repo.go	47.87% <0%> (-0.11%)	⬇️
... and 1 more

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[zeripath]

Sorry!!