Update Prisma examples (#742)

### Description

- Remove shadow database configuration that's not required. Neon
supports this (see: [Improving the developer experience for Prisma
users](https://neon.tech/blog/prisma-dx-improvements) from Neon)
- Update Prisma to 5.0.0
- Remove `jsonProtocol` Preview feature (Generally Available in v5.0.0)
- Format Prisma schemas

storage/postgres-pgvector/package.json

@@ -14,7 +14,7 @@
     "seed": "ts-node --compiler-options {\"module\":\"CommonJS\"} prisma/seed.ts"
   },
   "dependencies": {
-    "@prisma/client": "4.13.0",
+    "@prisma/client": "^5.0.0",
     "@upstash/ratelimit": "^0.4.2",
     "@vercel/kv": "^0.2.1",
     "autoprefixer": "10.4.14",
@@ -36,7 +36,7 @@
     "eslint": "8.38.0",
     "eslint-config-next": "13.3.5-canary.1",
     "postcss": "8.4.22",
-    "prisma": "^4.13.0",
+    "prisma": "^5.0.0",
     "tailwindcss": "3.3.1",
     "ts-node": "^10.9.1",
     "turbo": "^1.9.3",