accept featureFlags.EnableTektonOCIBundles to fix unknown field error

[wilderbridge]

Changes

• fixes featureFlags.EnableTektonOCIBundles becomes unknown fields #8359
• EnableTektonOCIBundles removed on https://github.com/tektoncd/pipeline/pull/7789/files#diff-43c816abe932bdd16552907bcaac8c510320e205a874f5ff04dea69553e1bc7cR187, and EnableTektonOCIBundles becomes unknown field, To fix this issue. EnableTektonOCIBundles added back to the featureFlags. EnableTektonOCIBundles as bool pointer. This value never used.

Submitter Checklist

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

• Has Docs if any changes are user facing, including updates to minimum requirements e.g. Kubernetes version bumps
• Has Tests included if any functionality added or changed
• pre-commit Passed
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Release Notes

NONE

[linux-foundation-easycla]

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• ✅ login: wilderbridge / name: Niklas Siltakorpi (8f5df0e)

[wilderbridge]

/kind bug

[waveywaves]

/ok-to-test

[wilderbridge]

/retest

[waveywaves]

/retest

[l-qing]

I also encountered another similar field, ScopeWhenExpressionsToTask, when upgrading from Tekton Pipeline 0.56 to 0.65.

[wilderbridge]

/retest

[wilderbridge]

/retest

[waveywaves]

/retest

[waveywaves]

Suggested change

	DeprecatedEnableTektonOCIBundles *bool `json:"enableTektonOCIBundles,omitempty" yaml:"EnableTektonOCIBundles,omitempty"`
	// DeprecatedEnableTektonOCIBundles is maintained for backward compatibility
	// to allow deletion of PipelineRuns created before v0.62.x.
	// This field is not used and can be removed in a future release
	// once we're confident old PipelineRuns have been cleaned up.
	// See issue #8359 for context.
	DeprecatedEnableTektonOCIBundles *bool `json:"enableTektonOCIBundles,omitempty" yaml:"enableTektonOCIBundles,omitempty"`

add a explanation comment and fix casing in the yaml tag

[tekton-robot]

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