Log Message:
www/hs-warp: update to warp-3.4.7

## 3.4.7

* Using time-manager >= 0.2.

## 3.4.6

* Using `withHandle` of time-manager.

## 3.4.5

* Rethrowing asynchronous exceptions and preventing callsing
  `connClose` twice.
  [#1013](https://github.com/yesodweb/wai/pull/1013)

## 3.4.4

* Removing `unliftio`.

## 3.4.3

* Waiting untill the number of FDs desreases on EMFILE.
  [#1009](https://github.com/yesodweb/wai/pull/1009)

## 3.4.2

* serveConnection is re-exported from the Internal module.
  [#1007](https://github.com/yesodweb/wai/pull/1007)