Merge pull request #301 from vip-git/renovate/npm-class-transformer-vulnerability

Update dependency class-transformer to v0.3.1 [SECURITY]

Author: vip-git

src/server/package.json

@@ -14,7 +14,7 @@
     "@nestjs/typeorm": "6.3.4",
     "@nestjs/websockets": "6.5.3",
     "apollo-server-express": "2.14.2",
-    "class-transformer": "0.2.3",
+    "class-transformer": "0.3.1",
     "class-validator": "0.9.1",
     "classnames": "2.2.6",
     "express": "4.17.1",