Log Message:
net/hs-network: update to network-3.2.7.0

## Version 3.2.7.0

* Using nested `bracket` for `gracefulClose`.
  [#591](https://github.com/haskell/network/issues/590)
* Fix memory leak in getaddrinfo and make it async exception safe.
  [#591](https://github.com/haskell/network/pull/591)
* Make call to c_free async exception safe.
  [#592](https://github.com/haskell/network/pull/592)

## Version 3.2.6.0

* fixing the Show instance of IPv4-mapped IPv6 address on little endian machines

## Version 3.2.5.0

* `gracefulClose` based on STM racing and `timeout`.
  [#587](https://github.com/haskell/network/issues/587)

## Version 3.2.4.0

* New API: setSockOptValue.
  [#588](https://github.com/haskell/network/issues/588)

## Version 3.2.3.0

* Making getAddrInfo polymorphic
  [#587](https://github.com/haskell/network/issues/587)

## Version 3.2.2.0

* New API: waitReadSocketSTM, waitAndCancelReadSocketSTM,
  waitWriteSocketSTM, waitAndCancelWriteSocketSTM
  [#586](https://github.com/haskell/network/issues/586)
* Checking the length of ASCII string allowing trailing 0.
  [#585](https://github.com/haskell/network/issues/585)

## Version 3.2.1.0

* Trying to release with the latest autoreconf.
  Packing "network" in the local directory instead of CI.
* Remove includes from .cabal-file
  [#583](https://github.com/haskell/network/issues/583)
* making gracefulClose more graceful
  [#580](https://github.com/haskell/network/issues/580)
* Update config.guess, config.sub to their latest versions
  [#579](https://github.com/haskell/network/issues/579)