chore(deps): update typescript-eslint monorepo to v2.28.0

Author: renovate-bot

package-lock.json

@@ -29,8 +29,8 @@
     "@nestjs/core": "7.0.7",
     "@nestjs/testing": "7.0.7",
     "@types/jest": "25.2.1",
-    "@typescript-eslint/eslint-plugin": "2.27.0",
-    "@typescript-eslint/parser": "2.27.0",
+    "@typescript-eslint/eslint-plugin": "2.28.0",
+    "@typescript-eslint/parser": "2.28.0",
     "eslint": "6.8.0",
     "eslint-config-prettier": "6.10.1",
     "eslint-plugin-import": "2.20.2",