ci: prevent ghost deployments by queuing instead of cancelling

cancel-in-progress: true could kill the deploy step mid-flight,
leaving the Pages API with a stuck "in progress" deployment that
blocks all future deploys.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: chsteiner

.github/workflows/deploy.yml

@@ -12,7 +12,7 @@ permissions:
 
 concurrency:
   group: pages
-  cancel-in-progress: true
+  cancel-in-progress: false
 
 jobs:
   build: