chore(deps): update dependency @types/mongoose to v5.5.28

Author: renovate-bot

integration/mongoose/package-lock.json

@@ -18,7 +18,7 @@
     "typescript": "3.6.4"
   },
   "devDependencies": {
-    "@types/mongoose": "5.5.26",
+    "@types/mongoose": "5.5.28",
     "@types/node": "7.10.8",
     "ts-node": "8.4.1",
     "tslint": "5.20.0"

integration/mongoose/package.json

@@ -29,7 +29,7 @@
     "rxjs": "6.5.3"
   },
   "devDependencies": {
-    "@types/mongoose": "5.5.26",
+    "@types/mongoose": "5.5.28",
     "@nestjs/cli": "6.11.2",
     "@nestjs/schematics": "6.7.0",
     "@nestjs/testing": "6.8.5",