Migrate watchlist severity to action(calcom#24195)

Author: alishaz-polymath

packages/prisma/migrations/20250926134500_update_watchlist_action_block_for_critical_severity/migration.sql

@@ -0,0 +1,4 @@
+-- Update Watchlist.action = BLOCK where severity = CRITICAL
+UPDATE "Watchlist"
+SET "action" = 'BLOCK'
+WHERE "severity" = 'CRITICAL';