fix(deps): update nest monorepo to v9

Author: renovate[bot]

package.json

@@ -24,10 +24,10 @@
     "major": "npm run release -- --release-as major"
   },
   "dependencies": {
-    "@nestjs/common": "6.11.8",
+    "@nestjs/common": "9.4.3",
     "@nestjs/core": "6.11.8",
     "@nestjs/mongoose": "6.3.1",
-    "@nestjs/platform-express": "6.11.8",
+    "@nestjs/platform-express": "9.4.3",
     "@nestjs/swagger": "4.2.12",
     "@nestjsx/crud": "4.4.1",
     "@typegoose/typegoose": "6.3.2",
@@ -44,8 +44,8 @@
   },
   "devDependencies": {
     "@nestjs/cli": "6.14.2",
-    "@nestjs/schematics": "6.9.4",
-    "@nestjs/testing": "6.11.8",
+    "@nestjs/schematics": "9.2.0",
+    "@nestjs/testing": "9.4.3",
     "@types/express": "4.17.2",
     "@types/jest": "25.1.3",
     "@types/node": "13.7.4",