Adjust stabilization version to 1.65.0 for wasi fds

See rust-lang#103308 (comment)
for this ask.

Author: Mark-Simulacrum

std/src/os/wasi/io/mod.rs

@@ -1,6 +1,6 @@
 //! WASI-specific extensions to general I/O primitives.
 
-#![stable(feature = "io_safety", since = "1.63.0")]
+#![stable(feature = "io_safety_wasi", since = "1.65.0")]
 
-#[stable(feature = "io_safety", since = "1.63.0")]
+#[stable(feature = "io_safety_wasi", since = "1.65.0")]
 pub use crate::os::fd::*;