fix(deps): update dependency @prisma/client to v6.6.0

Author: renovate[bot]

sample/22-graphql-prisma/package.json

@@ -26,7 +26,7 @@
     "@nestjs/core": "11.0.13",
     "@nestjs/graphql": "13.0.4",
     "@nestjs/platform-express": "11.0.13",
-    "@prisma/client": "6.5.0",
+    "@prisma/client": "6.6.0",
     "class-transformer": "0.5.1",
     "class-validator": "0.14.1",
     "graphql": "16.10.0",