Migrate donator requests to limit of 5

prisma/migrations/20250510045915_request_state_as_enum/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - You are about to alter the column `state` on the `requests` table. The data in that column could be lost. The data in that column will be cast from `VarChar(255)` to `Enum(EnumId(1))`.
+
+*/
+-- AlterTable
+ALTER TABLE `requests` MODIFY `state` ENUM('complete', 'hold', 'pending') NOT NULL;