Description of problem:

When an unauthorized user sends GitOps command (e.g. `/test`, `/retest`) it triggers PipelineRun since user's access is not checked on GitOps event type in PAC.

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

Steps to Reproduce

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Actual results:

Expected results:

Reproducibility (Always/Intermittent/Only Once):

Acceptance criteria: 

Definition of Done:

Build Details:

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

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