tipc: Update to zerocopy 0.8

This requires a companion change which causes `FIND_CRATE` to
reference 0.8 and to disable 0.7.

Bug: 372549215
Test: None
Change-Id: I69a4204d8ebdaeb9e5ebccef8a814e1bf9408989

lib/tipc/rust/src/serialization.rs

diff --git a/lib/tipc/rust/src/serialization.rs b/lib/tipc/rust/src/serialization.rs
index f36dec4..13ce926 100644
--- a/lib/tipc/rust/src/serialization.rs
+++ b/lib/tipc/rust/src/serialization.rs
@@ -1,7 +1,7 @@
 use crate::{Handle, TipcError};
 use core::fmt::Debug;
 use core::{mem, slice};
-use zerocopy::AsBytes;
+use zerocopy::IntoBytes;
 
 /// A helper provided by the transport handle for the message type to serialize
 /// into.