Update package.json.ejs

Author: Angelo Manganiello

generators/server/templates/server/package.json.ejs

@@ -38,7 +38,7 @@
     "@nestjs/swagger": "3.1.0",
     "@nestjs/typeorm": "7.1.4",
     "class-transformer": "0.3.1",
-    "class-validator": "0.12.2",
+    "class-validator": "0.13.1",
     "cloud-config-client": "1.4.2",
     "dotenv": "8.2.0",
     "eureka-js-client": "4.5.0",