Description of problem:

After upgrade some of the feature flags (example coschedule) are reset 
https://github.com/tektoncd/pipeline/issues/9174

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

Steps to Reproduce

 # <steps>

Actual results:

Expected results:

User settings in tektonconfig shouldnt be altered

Reproducibility (Always/Intermittent/Only Once):

Acceptance criteria: 

Definition of Done:

Build Details:

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

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