fix: change prisma version to 7

Author: mustbefail

apps/api/package.json

@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@types/node": "^25.2.3",
-    "prisma": "^6.19.2",
+    "prisma": "^7.4.0",
     "tsx": "^4.21.0",
     "typescript": "^5.9.3",
     "vitest": "^4.0.18"