* Revert "Revert "Speed up warmServer by loading pages (and files) asynchronously (#16752)" (#16835)"
This reverts commit a14517115f.
* Move async to regular dependencies
* Update package-lock.json
* Revert "Revert "Speed up warmServer by loading pages (and files) asynchronously (#16752)" (#16835)"
This reverts commit a14517115f.
* Move async to regular dependencies
* Update package-lock.json