chore(deps): bump nix from 0.29.0 to 0.30.1 in /personal-sysadmin (#125)

Bumps [nix](https://github.com/nix-rust/nix) from 0.29.0 to 0.30.1.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/nix-rust/nix/blob/master/CHANGELOG.md">nix's
changelog</a>.</em></p>
<blockquote>
<h2>[0.30.1] - 2025-05-04</h2>
<h3>Fixed</h3>
<ul>
<li>doc.rs build
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2634">#2634</a>)</li>
</ul>
<h2>[0.30.0] - 2025-04-29</h2>
<h3>Added</h3>
<ul>
<li>Add socket option <code>IPV6_PKTINFO</code> for BSDs/Linux/Android,
also
<code>IPV6_RECVPKTINFO</code> for DragonFlyBSD
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2113">#2113</a>)</li>
<li>Add <code>fcntl</code>'s <code>F_PREALLOCATE</code> constant for
Apple targets.
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2393">#2393</a>)</li>
<li>Improve support for extracting the TTL / Hop Limit from incoming
packets
and support for DSCP (ToS / Traffic Class).
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2425">#2425</a>)</li>
<li>Add socket option IP_TOS (nix::sys::socket::sockopt::IpTos)
IPV6_TCLASS
(nix::sys::socket::sockopt::Ipv6TClass) on Android/FreeBSD
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2464">#2464</a>)</li>
<li>Add <code>SeekData</code> and <code>SeekHole</code> to
<code>Whence</code> for hurd and apple targets
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2473">#2473</a>)</li>
<li>Add <code>From</code> trait implementation between
<code>SocketAddr</code> and <code>Sockaddr</code>,
<code>Sockaddr6</code> (<a
href="https://redirect.github.com/nix-rust/nix/pull/2474">#2474</a>)</li>
<li>Added wrappers for <code>posix_spawn</code> API
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2475">#2475</a>)</li>
<li>Add the support for Emscripten.
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2477">#2477</a>)</li>
<li>Add fcntl constant <code>F_RDADVISE</code> for Apple target
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2480">#2480</a>)</li>
<li>Add fcntl constant <code>F_RDAHEAD</code> for Apple target
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2482">#2482</a>)</li>
<li>Add <code>F_LOG2PHYS</code> and <code>F_LOG2PHYS_EXT</code> for
Apple target
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2483">#2483</a>)</li>
<li><code>MAP_SHARED_VALIDATE</code> was added for all linux targets.
&amp; <code>MAP_SYNC</code> was added
for linux with the exclusion of mips architecures, and uclibc
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2499">#2499</a>)</li>
<li>Add
<code>getregs()</code>/<code>getregset()</code>/<code>setregset()</code>
for Linux/musl/aarch64
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2502">#2502</a>)</li>
<li>Add FcntlArgs <code>F_TRANSFEREXTENTS</code> constant for Apple
targets
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2504">#2504</a>)</li>
<li>Add <code>MapFlags::MAP_STACK</code> in <code>sys::man</code> for
netbsd
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2526">#2526</a>)</li>
<li>Add support for <code>libc::LOCAL_PEERTOKEN</code> in
<code>getsockopt</code>.
(<a
href="https://redirect.github.com/nix-rust/nix/pull/2529">#2529</a>)</li>
<li>Add support for <code>syslog</code>, <code>openlog</code>,
<code>closelog</code> on all <code>unix</code>.</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/nix-rust/nix/commit/3cf9007216086b17a6ef5a09fa42dc00cde5c2bf"><code>3cf9007</code></a>
chore: drop 0.30.1</li>
<li><a
href="https://github.com/nix-rust/nix/commit/2845ab9e4e75b93818b11c0df01182a137e97e3c"><code>2845ab9</code></a>
Compile sys::mman on Redox (<a
href="https://redirect.github.com/nix-rust/nix/issues/2637">#2637</a>)</li>
<li><a
href="https://github.com/nix-rust/nix/commit/fccb4abfc8de82aaca77c6bcfa3b0daff349d556"><code>fccb4ab</code></a>
Fix fuchsia target triple to unbreak docs.rs build (<a
href="https://redirect.github.com/nix-rust/nix/issues/2634">#2634</a>)</li>
<li><a
href="https://github.com/nix-rust/nix/commit/b8341715475078ac1fdd4d94e3cd3eeeb2c7ccf8"><code>b834171</code></a>
ci: disable hurd (<a
href="https://redirect.github.com/nix-rust/nix/issues/2638">#2638</a>)</li>
<li><a
href="https://github.com/nix-rust/nix/commit/9c97e1df15fc0c6988d9d8068c5aba918135372a"><code>9c97e1d</code></a>
Clippy cleanup: dangerous_implicit_autorefs and
uninlined_format_args</li>
<li><a
href="https://github.com/nix-rust/nix/commit/989291d5bfb7566bd4415a18607d04d84a0604aa"><code>989291d</code></a>
chore: release 0.30.0</li>
<li><a
href="https://github.com/nix-rust/nix/commit/6a1c5b8d5bb88e508e737ccda46fe6a0ba9f7c97"><code>6a1c5b8</code></a>
Remove Copy from PollFd (<a
href="https://redirect.github.com/nix-rust/nix/issues/2631">#2631</a>)</li>
<li><a
href="https://github.com/nix-rust/nix/commit/eba0f41bffc673ad2be173f773b94b126920c6fa"><code>eba0f41</code></a>
chore: pin libc to 0.2.171 &amp; bump CI image (<a
href="https://redirect.github.com/nix-rust/nix/issues/2632">#2632</a>)</li>
<li><a
href="https://github.com/nix-rust/nix/commit/b561476e1da958ef249ce203f348c56d9fe24627"><code>b561476</code></a>
socket::sockopt AttachReusePortCbpf for Linux addition. (<a
href="https://redirect.github.com/nix-rust/nix/issues/2621">#2621</a>)</li>
<li><a
href="https://github.com/nix-rust/nix/commit/684b79edb6d67c13f6a31f017424d451b1369d16"><code>684b79e</code></a>
Add sockopt::PeerPidfd (SO_PEERPIDFD) sockopt support to socket::sockopt
(<a
href="https://redirect.github.com/nix-rust/nix/issues/2620">#2620</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/nix-rust/nix/compare/v0.29.0...v0.30.1">compare
view</a></li>
</ul>
</details>
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personal-sysadmin/Cargo.lock

@@ -18,7 +18,7 @@ tokio = { version = "1", features = ["full"] }
 # System introspection (Sysinternals-like)
 sysinfo = "0.39"              # Process, CPU, memory, disk
 procfs = "0.17"               # Linux /proc filesystem
-nix = { version = "0.29", features = ["fs", "process", "net", "user"] }
+nix = { version = "0.30", features = ["fs", "process", "net", "user"] }
 # netstat2 removed - using procfs directly for /proc/net/* parsing
 
 # Storage & Cache - VeriSimDB HTTP client