chore: Prisma migration from deprecated package.json config to prisma.config.ts (#2785)

Completely migrates the Prisma configuration from the deprecated
`prisma` field in `package.json` to the new `prisma.config.ts`
configuration file format, as recommended by Prisma.

Author: Copilot

package.json

@@ -153,10 +153,6 @@
     "vitest-mock-extended": "3.1.0",
     "vue-tsc": "3.0.6"
   },
-  "prisma": {
-    "schema": "server/database/schema.prisma",
-    "seed": "jiti ./server/database/runSeed.ts"
-  },
   "packageManager": "[email protected]",
   "pnpm": {
     "patchedDependencies": {

prisma.config.ts

@@ -0,0 +1,14 @@
+/**
+ * Prisma configuration file
+ * See: https://www.prisma.io/docs/orm/reference/prisma-config-reference
+ */
+
+import path from 'node:path'
+import { defineConfig } from 'prisma/config'
+
+export default defineConfig({
+  schema: path.join('server', 'database', 'schema.prisma'),
+  migrations: {
+    seed: 'jiti ./server/database/runSeed.ts',
+  },
+})