Stabilize unix_socket_creation

Author: Thomasdezeeuw

library/std/src/os/unix/net/addr.rs

@@ -140,7 +140,6 @@ impl SocketAddr {
     /// # Examples
     ///
     /// ```
-    /// #![feature(unix_socket_creation)]
     /// use std::os::unix::net::SocketAddr;
     /// use std::path::Path;
     ///
@@ -154,12 +153,11 @@ impl SocketAddr {
     /// Creating a `SocketAddr` with a NULL byte results in an error.
     ///
     /// ```
-    /// #![feature(unix_socket_creation)]
     /// use std::os::unix::net::SocketAddr;
     ///
     /// assert!(SocketAddr::from_pathname("/path/with/\0/bytes").is_err());
     /// ```
-    #[unstable(feature = "unix_socket_creation", issue = "93423")]
+    #[stable(feature = "unix_socket_creation", since = "1.61.0")]
     pub fn from_pathname<P>(path: P) -> io::Result<SocketAddr>
     where
         P: AsRef<Path>,