docs(prisma): add type to the prismaService

Co-authored-by: Micael Levi L. Cavalcante <[email protected]>

Author: zwarag

content/recipes/prisma.md

@@ -532,7 +532,7 @@ import { PrismaService } from './services/prisma/prisma.service';
 ...
 async function bootstrap() {
   ...
-  const prismaService: PrismaService = app.get(PrismaService);
+  const prismaService = app.get(PrismaService);
   await prismaService.enableShutdownHooks(app)
   ...
 }