Merge pull request nestjs#2490 from nestjs/renovate/delete-empty-3.x

chore(deps): update dependency delete-empty to v3

Author: kamilmysliwiec

package-lock.json

@@ -102,7 +102,7 @@
     "core-js": "3.1.4",
     "coveralls": "3.0.4",
     "csv-write-stream": "2.0.0",
-    "delete-empty": "2.0.0",
+    "delete-empty": "3.0.0",
     "fastify-static": "2.5.0",
     "gulp": "4.0.1",
     "gulp-clang-format": "1.0.27",