chore replace committed secret

Replace the dashboard signing secret with the CHANGEME placeholder.

Commit
a8ca779777803dc61474844f0a734ce87d8a76d5
Author
GPT-5 medium <codex@openai.com>
Author date
Committer
GPT-5 medium <codex@openai.com>
Committer date
roles/dashboard/dashboard.yml
index 57346306..4cdc2f28 100644..100644
@@ -1,3 +1,3 @@
1 1 ---
2 2 secrets:
3 Removed: - 7nLGfP4ybXpvpcu1CrdetpuAd3cDLkBE9KIN1qpLHkT7As33HHyn8DcrrT1ivaKlqugWv5JtufMJQXs-Bf96fKav9eZPcx0MnGqNXOfzRtbkS-MwrGpYfQzni_wz2rWGcAxK-x9fSkNDVqezW518fA6a1Ju9RBOjTW91_raxMWk
3 Added: - CHANGEME