ci: add cancel-workflow-action functionality to all github workflows

[aaron-prindle]

fixes #6745

[codecov]

Codecov Report

Merging #6755 (116da5d) into main (290280e) will decrease coverage by 0.85%.
The diff coverage is 65.62%.

@@            Coverage Diff             @@
##             main    #6755      +/-   ##
==========================================
- Coverage   70.48%   69.62%   -0.86%     
==========================================
  Files         515      536      +21     
  Lines       23150    24431    +1281     
==========================================
+ Hits        16317    17011     +694     
- Misses       5776     6293     +517     
- Partials     1057     1127      +70     

Impacted Files	Coverage Δ
cmd/skaffold/app/cmd/deploy.go	52.00% <ø> (-1.85%)	⬇️
cmd/skaffold/app/cmd/flags.go	89.00% <0.00%> (-1.82%)	⬇️
cmd/skaffold/app/cmd/render.go	36.66% <0.00%> (-4.72%)	⬇️
cmd/skaffold/skaffold.go	0.00% <ø> (ø)
cmd/skaffold/app/cmd/find_configs.go	48.88% <50.00%> (+0.24%)	⬆️
cmd/skaffold/app/cmd/lint.go	52.94% <52.94%> (ø)
cmd/skaffold/app/cmd/cmd.go	70.49% <75.00%> (-0.57%)	⬇️
cmd/skaffold/app/cmd/debug.go	100.00% <100.00%> (ø)
cmd/skaffold/app/cmd/runner.go	64.17% <100.00%> (ø)
cmd/skaffold/app/flags/image.go	76.27% <100.00%> (+3.72%)	⬆️
... and 126 more

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[MarlonGamez]

@aaron-prindle is there a reason these changes would make the CI not run? or is that just a coincidence

[briandealwis]

Uh oh, I don't think this can work as-is. The concurrency docs say:

Concurrency ensures that only a single job or workflow using the same concurrency group will run at a time. A concurrency group can be any string or expression. The expression can only use the github context. For more information about expressions, see "Expressions."
...
When a concurrent job or workflow is queued, if another job or workflow using the same concurrency group in the repository is in progress, the queued job or workflow will be pending. Any previously pending job or workflow in the concurrency group will be canceled. To also cancel any currently running job or workflow in the same concurrency group, specify cancel-in-progress: true.

Since we're using the same string for each workflow here, only one will run: the others will be cancelled or made pending.

I think we might be able to append ${{github.workflow}}? The doc for concurrency doesn't say that it needs to have no whitespaces:

concurrency:
  group: build-${{ github.event.pull_request.number || github.ref }}-${{github.workflow}}
  cancel-in-progress: true

doesn't seem to be working

[aaron-prindle]

Made suggested change, seems like it is working now. Merged this in my branch to make sure it will take, CI is passing with this change merged on a test pr - aaron-prindle#87