fix: add migration for entityType

Author: johnf

prisma/migrations/20250923223119_entity_type_to_string/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - You are about to alter the column `entityType` on the `Entity` table. The data in that column could be lost. The data in that column will be cast from `Enum(EnumId(0))` to `VarChar(1024)`.
+
+*/
+-- AlterTable
+ALTER TABLE `Entity` MODIFY `entityType` VARCHAR(1024) NOT NULL;