Fix NewDeployer call in helm test

[nkubala]

this was broken by a bad merge between #6468 and #6454

[codecov]

Codecov Report

Merging #6501 (2f862ae) into main (a99ffc5) will increase coverage by 0.04%.
The diff coverage is 95.12%.

@@            Coverage Diff             @@
##             main    #6501      +/-   ##
==========================================
+ Coverage   70.27%   70.31%   +0.04%     
==========================================
  Files         510      511       +1     
  Lines       22988    23026      +38     
==========================================
+ Hits        16154    16190      +36     
- Misses       5776     5778       +2     
  Partials     1058     1058              

Impacted Files	Coverage Δ
pkg/skaffold/schema/latest/v1/config.go	62.16% <ø> (ø)
pkg/skaffold/hooks/types.go	75.00% <75.00%> (ø)
pkg/skaffold/deploy/helm/deploy.go	77.91% <100.00%> (+1.09%)	⬆️
pkg/skaffold/deploy/kubectl/kubectl.go	64.07% <100.00%> (ø)
pkg/skaffold/deploy/kustomize/kustomize.go	74.51% <100.00%> (+1.98%)	⬆️
pkg/skaffold/hooks/deploy.go	85.71% <100.00%> (ø)

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[nkubala]

@gsquared94 beat me to it in #6499