Update .pre-commit-config.yaml to ignore plugin

[jordanpadams]

🗒️ Summary

Getting numerous failures in Java repo for this experimental plugin. This now matches what we have here: https://github.com/NASA-PDS/nasa-pds.github.io/wiki/Git-and-Github-Guide#detect-secrets

⚙️ Test Data and/or Report

In java repo:

$ gcm "Update precommit"
Detect secrets...........................................................Passed
Detect secrets...........................................................Passed
Detect secrets...........................................................Passed
[main 00b6a33] Update precommit

♻️ Related Issues

None

[nutjob4life]

Reviewed and approved with visual inspection only; trust accordingly