Rollup merge of rust-lang#82154 - CDirkx:ip-changelog, r=Mark-Simulacrum

Update RELEASES.md 1.50 to include methods stabilized in rust-lang#79342

I noticed that rust-lang#79342 was missing from the release notes for 1.50.

RELEASES.md

@@ -43,6 +43,23 @@ The following previously stable methods are now `const`.
 
 - [`IpAddr::is_ipv4`]
 - [`IpAddr::is_ipv6`]
+- [`IpAddr::is_unspecified`]
+- [`IpAddr::is_loopback`]
+- [`IpAddr::is_multicast`]
+- [`Ipv4Addr::octets`]
+- [`Ipv4Addr::is_loopback`]
+- [`Ipv4Addr::is_private`]
+- [`Ipv4Addr::is_link_local`]
+- [`Ipv4Addr::is_multicast`]
+- [`Ipv4Addr::is_broadcast`]
+- [`Ipv4Addr::is_documentation`]
+- [`Ipv4Addr::to_ipv6_compatible`]
+- [`Ipv4Addr::to_ipv6_mapped`]
+- [`Ipv6Addr::segments`]
+- [`Ipv6Addr::is_unspecified`]
+- [`Ipv6Addr::is_loopback`]
+- [`Ipv6Addr::is_multicast`]
+- [`Ipv6Addr::to_ipv4`]
 - [`Layout::size`]
 - [`Layout::align`]
 - [`Layout::from_size_align`]
@@ -104,6 +121,23 @@ Compatibility Notes
 [cargo/8725]: https://github.com/rust-lang/cargo/pull/8725
 [`IpAddr::is_ipv4`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_ipv4
 [`IpAddr::is_ipv6`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_ipv6
+[`IpAddr::is_unspecified`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_unspecified
+[`IpAddr::is_loopback`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_loopback
+[`IpAddr::is_multicast`]: https://doc.rust-lang.org/stable/std/net/enum.IpAddr.html#method.is_multicast
+[`Ipv4Addr::octets`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.octets
+[`Ipv4Addr::is_loopback`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.is_loopback
+[`Ipv4Addr::is_private`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.is_private
+[`Ipv4Addr::is_link_local`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.is_link_local
+[`Ipv4Addr::is_multicast`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.is_multicast
+[`Ipv4Addr::is_broadcast`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.is_broadcast
+[`Ipv4Addr::is_documentation`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.is_documentation
+[`Ipv4Addr::to_ipv6_compatible`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.to_ipv6_compatible
+[`Ipv4Addr::to_ipv6_mapped`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv4Addr.html#method.to_ipv6_mapped
+[`Ipv6Addr::segments`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.segments
+[`Ipv6Addr::is_unspecified`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.is_unspecified
+[`Ipv6Addr::is_loopback`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.is_loopback
+[`Ipv6Addr::is_multicast`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.is_multicast
+[`Ipv6Addr::to_ipv4`]: https://doc.rust-lang.org/stable/std/net/struct.Ipv6Addr.html#method.to_ipv4
 [`Layout::align`]: https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.align
 [`Layout::from_size_align`]: https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.from_size_align
 [`Layout::size`]: https://doc.rust-lang.org/stable/std/alloc/struct.Layout.html#method.size