Update nix requirement from 0.26 to 0.27

[dependabot[bot]]

Updates the requirements on nix to permit the latest version.

Changelog

Sourced from nix's changelog.

[0.27.0] - 2023-08-28

Added

• Added AT_EACCESS to AtFlags on all platforms but android (#1995)
• Add PF_ROUTE to SockType on macOS, iOS, all of the BSDs, Fuchsia, Haiku, Illumos. (#1867)
• Added nix::ucontext module on aarch64-unknown-linux-gnu. (#1662)
• Added CanRaw to SockProtocol and CanBcm as a separate SocProtocol constant. (#1912)
• Added Generic and NFLOG to SockProtocol. (#2092)
• Added mq_timedreceive to ::nix::mqueue. (#1966)(nix-rust/nix#1966)
• Added LocalPeerPid to nix::sys::socket::sockopt for macOS. (#1967)
• Added TFD_TIMER_CANCEL_ON_SET to ::nix::sys::time::TimerSetTimeFlags on Linux and Android. (#2040)
• Added SOF_TIMESTAMPING_OPT_ID and SOF_TIMESTAMPING_OPT_TSONLY to nix::sys::socket::TimestampingFlag. (#2048)
• Enabled socket timestamping options on Android. (#2077)
• Added vsock support for macOS (#2056)
• Added SO_SETFIB and SO_USER_COOKIE to nix::sys::socket::sockopt for FreeBSD. (#2085)
• Added SO_RTABLE for OpenBSD and SO_ACCEPTFILTER for FreeBSD/NetBSD to nix::sys::socket::sockopt. (#2085)
• Added MSG_WAITFORONE to MsgFlags on Android, Fuchsia, Linux, NetBSD, FreeBSD, OpenBSD, and Solaris. (#2014)
• Added SO_TS_CLOCK for FreeBSD to nix::sys::socket::sockopt. (#2093)
• Added support for prctl in Linux. (#1550)
• nix::socket and nix::select are now available on Redox. (#2012)
• Implemented AsFd, AsRawFd, FromRawFd, and IntoRawFd for mqueue::MqdT. (#2097)
• Add the ability to set kevent_flags on SigEvent. (#1731)

Changed

• All Cargo features have been removed from the default set. Users will need to specify which features they depend on in their Cargo.toml. (#2091)
• Implemented I/O safety for many, but not all, of Nix's APIs. Many public functions argument and return types have changed:

  Original Type	New Type
  AsRawFd	AsFd
  RawFd	BorrowedFd or OwnedFd

... (truncated)

Commits

• 842142f chore: Release nix version 0.27.0
• d491f87 Edit CHANGELOG (#2109)
• a2a9a71 release.toml: compatibility with cargo-release 0.22 (#2108)
• 3a4037c Added support for prctl in Linux (#1550)
• d59d235 Eliminate the lazy_static dev dependency (#2107)
• 56e1277 Make clone unsafe (#1993)
• 93d43a7 introduces FreeBSD's SO_TS_CLOCK into net::sys::socket::sockopt. (#2093)
• cc73638 Allow setting kevent_flags on struct sigevent (#1731)
• 183be1b Add NFLOG and generic netlink families (#2092)
• a0613ba Changed name parameter of mqueue functions to be generic over NixPath. ...
• Additional commits viewable in compare view

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