feat(api, web): implement versioning for cron triggers with enhanced validation and UI updates

Author: bchapuis

apps/api/src/db/migrations/0005_split_version_alias_column.sql

@@ -0,0 +1,3 @@
+DROP INDEX `cron_triggers_active_next_run_at_idx`;--> statement-breakpoint
+ALTER TABLE `cron_triggers` ADD `version_number` integer;--> statement-breakpoint
+CREATE INDEX `cron_triggers_version_number_idx` ON `cron_triggers` (`version_number`);