chore: upgrade examples schema version

[ericzzzzzzz]

Description

• upgrade skaffold.yaml schema version in example projects to unblock ci

[codecov]

Codecov Report

Merging #8746 (bef32ab) into main (290280e) will decrease coverage by 6.05%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main    #8746      +/-   ##
==========================================
- Coverage   70.48%   64.43%   -6.05%     
==========================================
  Files         515      617     +102     
  Lines       23150    31171    +8021     
==========================================
+ Hits        16317    20085    +3768     
- Misses       5776     9585    +3809     
- Partials     1057     1501     +444     

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 40 more

... and 406 files with indirect coverage changes

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[aaron-prindle]

I've created #8748 to resolve this. Technically examples/ is supposed to be mirrored from integration/examples which had some files added so the PR is missing some new examples/ that it should include