improvement(scheduler): raise per-tick claim budget to drain backlog

MAX_CRON_CLAIMS 20 -> 100; reserved workflow/job slots 10/10 -> 50/50.
Throughput was capped at 20 schedules/tick which created a 20+ hour
backlog when due work exceeded ~1 item per cron-second.

Author: TheodoreSpeaks

apps/sim/app/api/schedules/execute/route.ts

@@ -21,8 +21,8 @@ export const dynamic = 'force-dynamic'
 export const maxDuration = 3600
 
 const logger = createLogger('ScheduledExecuteAPI')
-const MAX_CRON_CLAIMS = 20
-const RESERVED_WORKFLOW_CLAIMS = 10
+const MAX_CRON_CLAIMS = 100
+const RESERVED_WORKFLOW_CLAIMS = 50
 const RESERVED_JOB_CLAIMS = MAX_CRON_CLAIMS - RESERVED_WORKFLOW_CLAIMS
 const STALE_SCHEDULE_CLAIM_MS = getMaxExecutionTimeout()