Avoiding directory execution on hook (#10954)

[bazilek]

Addressing hooks issue #10954

[zeripath]

As per @mrsdizzie comment on the underlying issue - however, it's quite a simple test.

[codecov-io]

Codecov Report

Merging #10955 into master will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #10955      +/-   ##
==========================================
- Coverage   43.62%   43.61%   -0.01%     
==========================================
  Files         597      597              
  Lines       83923    83923              
==========================================
- Hits        36609    36605       -4     
- Misses      42802    42807       +5     
+ Partials     4512     4511       -1     

Impacted Files	Coverage Δ
modules/repository/hooks.go	35.38% <100.00%> (ø)
modules/queue/workerpool.go	58.00% <0.00%> (-2.14%)	⬇️
services/pull/check.go	48.17% <0.00%> (-1.83%)	⬇️
models/error.go	30.49% <0.00%> (-0.54%)	⬇️
modules/git/repo.go	48.11% <0.00%> (-0.42%)	⬇️
services/pull/pull.go	35.88% <0.00%> (+0.88%)	⬆️
modules/process/manager.go	78.31% <0.00%> (+3.61%)	⬆️
modules/git/utils.go	70.14% <0.00%> (+4.47%)	⬆️

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