fix(deps): update dependency @prisma/client to v6.18.0

Author: renovate[bot]

sample/22-graphql-prisma/package.json

@@ -26,7 +26,7 @@
     "@nestjs/core": "11.1.7",
     "@nestjs/graphql": "13.2.0",
     "@nestjs/platform-express": "11.1.7",
-    "@prisma/client": "6.17.1",
+    "@prisma/client": "6.18.0",
     "class-transformer": "0.5.1",
     "class-validator": "0.14.2",
     "graphql": "16.10.0",