fix: add proper artifactOverrides->setValueTemplates conversion when upgrading from v2beta29

[aaron-prindle]

fixes #8321

[codecov]

Codecov Report

Merging #8335 (dd0110b) into main (290280e) will decrease coverage by 4.54%.
The diff coverage is 54.85%.

@@            Coverage Diff             @@
##             main    #8335      +/-   ##
==========================================
- Coverage   70.48%   65.95%   -4.54%     
==========================================
  Files         515      605      +90     
  Lines       23150    29736    +6586     
==========================================
+ Hits        16317    19612    +3295     
- Misses       5776     8651    +2875     
- Partials     1057     1473     +416     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/completion.go	13.04% <0.00%> (-1.25%)	⬇️
cmd/skaffold/app/cmd/config/list.go	65.21% <ø> (ø)
cmd/skaffold/app/cmd/config/set.go	88.72% <ø> (ø)
cmd/skaffold/app/cmd/config/util.go	54.28% <ø> (ø)
cmd/skaffold/app/cmd/credits.go	100.00% <ø> (ø)
cmd/skaffold/app/cmd/credits/export.go	0.00% <0.00%> (ø)
cmd/skaffold/app/cmd/deploy.go	40.90% <0.00%> (-12.94%)	⬇️
cmd/skaffold/app/cmd/generate_pipeline.go	60.00% <ø> (ø)
cmd/skaffold/app/cmd/inspect_modules.go	65.00% <ø> (ø)
cmd/skaffold/app/cmd/inspect_profiles.go	66.66% <ø> (ø)
... and 415 more

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[aaron-prindle]

PTAL, addressed comments