feat: support url as kustomize file path

[ericzzzzzzz]

Fixes: #8940

Description

• add support for kustomize remote manifests.

[codecov]

Codecov Report

Merging #9023 (2ba5a6e) into main (290280e) will decrease coverage by 6.85%.
Report is 1003 commits behind head on main.
The diff coverage is 49.90%.

@@            Coverage Diff             @@
##             main    #9023      +/-   ##
==========================================
- Coverage   70.48%   63.63%   -6.85%     
==========================================
  Files         515      624     +109     
  Lines       23150    31944    +8794     
==========================================
+ Hits        16317    20328    +4011     
- Misses       5776    10084    +4308     
- Partials     1057     1532     +475     

Files Changed	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 40 more

... and 416 files with indirect coverage changes

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