chore(deps): update nest monorepo to v7

Author: renovate-bot

package.json

@@ -24,10 +24,10 @@
     "major": "npm run release -- --release-as major"
   },
   "dependencies": {
-    "@nestjs/common": "6.11.8",
-    "@nestjs/core": "6.11.8",
+    "@nestjs/common": "7.0.0",
+    "@nestjs/core": "7.0.0",
     "@nestjs/mongoose": "6.3.1",
-    "@nestjs/platform-express": "6.11.8",
+    "@nestjs/platform-express": "7.0.0",
     "@nestjs/swagger": "4.2.12",
     "@nestjsx/crud": "4.4.1",
     "@typegoose/typegoose": "6.3.2",
@@ -43,9 +43,9 @@
     "swagger-ui-express": "4.1.3"
   },
   "devDependencies": {
-    "@nestjs/cli": "6.14.2",
+    "@nestjs/cli": "7.0.0",
     "@nestjs/schematics": "6.9.4",
-    "@nestjs/testing": "6.11.8",
+    "@nestjs/testing": "7.0.0",
     "@types/express": "4.17.2",
     "@types/jest": "25.1.3",
     "@types/node": "13.7.4",