Allow Argo Rollout resource manifests to be transformed (#5523)

[flxbk]

Fixes: #5523

Description

This PR adds the resource kind Rollout in the group argoproj.io to the transformableAllowList to allow the manifest visitor to transform fields on such resources.

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[codecov]

Codecov Report

Merging #5524 (51b7654) into master (802ef8a) will decrease coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #5524      +/-   ##
==========================================
- Coverage   71.70%   71.68%   -0.03%     
==========================================
  Files         399      399              
  Lines       14750    14750              
==========================================
- Hits        10577    10574       -3     
- Misses       3398     3399       +1     
- Partials      775      777       +2     

Impacted Files	Coverage Δ
pkg/skaffold/kubernetes/manifest/visitor.go	95.00% <ø> (ø)
pkg/skaffold/docker/image.go	78.13% <0.00%> (-1.40%)	⬇️

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