chore(core): Update Nest deps

packages/core/package.json

@@ -38,14 +38,14 @@
     "cli/**/*"
   ],
   "dependencies": {
-    "@nestjs/common": "7.0.5",
-    "@nestjs/core": "7.0.5",
-    "@nestjs/graphql": "7.0.14",
-    "@nestjs/microservices": "7.0.5",
-    "@nestjs/platform-express": "7.0.5",
+    "@nestjs/common": "7.4.4",
+    "@nestjs/core": "7.4.4",
+    "@nestjs/graphql": "7.6.0",
+    "@nestjs/microservices": "7.4.4",
+    "@nestjs/platform-express": "7.4.4",
     "@nestjs/terminus": "7.0.1",
-    "@nestjs/testing": "7.0.5",
-    "@nestjs/typeorm": "7.0.0",
+    "@nestjs/testing": "7.4.4",
+    "@nestjs/typeorm": "7.1.3",
     "@types/fs-extra": "^8.0.1",
     "@vendure/common": "^0.15.0",
     "apollo-server-express": "2.11.0",