Description of problem:

watcher is monitoring file name instead full directory. so when secret is rotating, it only updates the symlink, and not the file name, and the event is being missed.
https://github.com/tektoncd/chains/issues/1178

PR #1505 https://github.com/tektoncd/chains/pull/1505

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

Steps to Reproduce

 # <steps>

Actual results:

Expected results:

Reproducibility (Always/Intermittent/Only Once):

Acceptance criteria: 

Definition of Done:

Build Details:

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

 *