Description of problem:

"Failed to update finalizers for "PR-Name": admission webhook "validation.webhook.pipeline.tekton.dev" denied the request: validation failed: invalid value: Once the PipelineRun is complete, no updates are allowed: spec"

Prerequisites (if any, like setup, operators/versions): 1.18

Steps to Reproduce

 # NA

Actual results:

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Reproducibility (Always/Intermittent/Only Once):

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Definition of Done:

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Additional info (Such as Logs, Screenshots, etc):

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