V1 CRD release

[JeromeJu]

Changes

This commit releases the v1 pipeline CRDs including task, taskrun, pipeline and
piplinerun by the following:

• Adds the example tests for the release of v1 pipeline CRD.
  It copies the example tests from v1beta1 with exceptions for those deprecated
  fields eg. resources. Reference can be found at https://github.com/tektoncd/pipeline/blob/14eba83bf31277dc3f8c91fa798b38e30d0a8e6a/dev/docs/migrating-v1beta1-to-v1.md.
• Sets served in v1 CRDs to true.

The second commit adds the integration test for v1 CRD:

• This covers all the deprecated fields from v1beta1.
• It first creates v1beta1 CRD with v1beta1Client and requests it by v1client,
  and then creates v1 CRD with v1Client and requests it by v1beta1client to
  compare if the conversion webhook.

Part i & ii of #5541
Fixes: #5627

/kind misc

Submitter Checklist

As the author of this PR, please check off the items in this checklist:

• [n/a] Has Docs included if any changes are user facing
• Has Tests included if any functionality added or changed
• Follows the commit message standard
• Meets the Tekton contributor standards (including
  functionality, content, code)
• Has a kind label. You can add one by adding a comment on this PR that contains /kind <type>. Valid types are bug, cleanup, design, documentation, feature, flake, misc, question, tep
• Release notes block below has been updated with any user facing changes (API changes, bug fixes, changes requiring upgrade notices or deprecation warnings)
• Release notes contains the string "action required" if the change requires additional action from users switching to the new release

Release Notes

Releases v1 CRD for task, taskrun, pipeline and pipelinerun. Served v1 CRDs are included in this release for users as a preview, and also for users to start preparing for the migration. v1 is served but CLI, Dashboard, Chains etc support won't be available until the following release. v1 will be the official version starting with the next release when it has been released as the storage version.

[lbernick]

could you please move the v1 migration docs into the docs folder?

[lbernick]

Also, this PR needs a release note

[lbernick]

@abayer FYI since the only thing blocking this PR is #5515 -- you might need to coordinate with Jerome here

[vdemeester]

Are we sure 100% we want v1 API in 0.41 ? Because as soon as we publish them, we will not be able to change it that much. And we should probably agree on things like Tekton Pipeline V1 policy prior to getting this in.

[vdemeester]

/hold

[JeromeJu]

/hold cancel

[JeromeJu]

/retest
Codebase not updated in Prow for the fix.

[JeromeJu]

/retest

[JeromeJu]

This PR is ready for a final review PTAL @tektoncd/core-maintainers 🙏
cc @afrittoli @abayer @dibyom @lbernick @pritidesai @vdemeester

Previously this is on hold for adding the Status fields conversions and these changes are updated and added in the respective conversion integration test cases at test/conversion_test.go.

[dibyom]

/approve

[tekton-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: afrittoli, chitrangpatel, dibyom, lbernick, XinruZhang

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• OWNERS [afrittoli,dibyom,lbernick]

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[dibyom]

/lgtm

I think the last outstanding issue was around errors while handling status conversions - I verified that the both v1beta1 and v1 example pipelineruns run successfully and the status is displayed when using kubectl