[Jobs] Bump consolidation-lock recovery wait to 15s

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Fh7ZZwmvfVeV3fHzjV2ACi

Author: cg505

sky/jobs/managed_job_refresh_thread.py

@@ -36,7 +36,7 @@
 # finish terminating before we reset and re-adopt its jobs. The recovery signal
 # file stays in place during the wait, so no controllers are started and no job
 # is marked FAILED_CONTROLLER in the meantime.
-_RECOVERY_WAIT_AFTER_ACQUIRE_SECONDS = 10
+_RECOVERY_WAIT_AFTER_ACQUIRE_SECONDS = 15
 
 
 class ManagedJobRefreshDaemonThread(threading.Thread):