Update nix requirement from 0.28.0 to 0.29.0

[dependabot[bot]]

Updates the requirements on nix to permit the latest version.

Changelog

Sourced from nix's changelog.

[0.29.0] - 2024-05-24

Added

• Add getregset()/setregset() for Linux/glibc/x86/x86_64/aarch64/riscv64 and getregs()/setregs() for Linux/glibc/aarch64/riscv64 (#2044)
• Add socket option Ipv6Ttl for apple targets. (#2287)
• Add socket option UtunIfname. (#2325)
• make SigAction repr(transparent) & can be converted to the libc raw type (#2326)
• Add From trait implementation for conversions between sockaddr_in and SockaddrIn, sockaddr_in6 and SockaddrIn6 (#2328)
• Add socket option ReusePortLb for FreeBSD. (#2332)
• Added support for openat2 on linux. (#2339)
• Add if_indextoname function. (#2340)
• Add mount and unmount API for apple targets. (#2347)
• Added _PC_MIN_HOLE_SIZE for pathconf and fpathconf. (#2349)
• Added impl AsFd for pty::PtyMaster (#2355)
• Add open flag O_SEARCH to AIX, Empscripten, FreeBSD, Fuchsia, solarish, WASI (#2374)
• Add prctl function prctl_set_vma_anon_name for Linux/Android. (#2378)
• Add sync(2) for apple_targets/solarish/haiku/aix/hurd, syncfs(2) for hurd and fdatasync(2) for aix/hurd (#2379)
• Add fdatasync support for Apple targets. (#2380)
• Add fcntl::OFlag::O_PATH for FreeBSD and Fuchsia (#2382)
• Added PathconfVar::MIN_HOLE_SIZE for apple_targets. (#2388)
• Add open flag O_SEARCH to apple_targets (#2391)
• O_DSYNC may now be used with aio_fsync and fcntl on FreeBSD. (#2404)
• Added Flock::relock for upgrading and downgrading locks. (#2407)

Changed

... (truncated)

Commits

• 1dad4d8 chore: prepare for 0.29.0
• f743197 fix ControlMessageOwned::UdpGroSegments UDP packets processing type. (#2406)
• 208b80b recvmsg: Check if CMSG buffer was too small and return an error (#2413)
• ecd12a9 test: remove test of inode count in test_statfs.rs (#2414)
• 663506a fix: only close fanotify events with a valid fd (#2399)
• 1604723 revert: impl From<sigaction> for SigAction (#2410)
• ec4beb5 docs: correct limit value of FAN_UNLIMITED_QUEUE and FAN_UNLIMITED_MARKS[skip...
• 84c0444 chore: bump libc to 0.2.155 (#2409)
• c5af4ad Add Flock::relock (#2407)
• e7acaff Enable O_DSYNC on FreeBSD with fcntl and aio_fsync (#2404)
• Additional commits viewable in compare view

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[passcod]

For others: going to delay merging/releasing this a bit to allow ecosystems to settle.

[passcod]

@dependabot rebase

[dependabot[bot]]

Looks like nix is up-to-date now, so this is no longer needed.