cargo: Bump rustc to 1.89 (#36818)

Update Rustc to 1.89.

Reviewable by commit.

Leftover work:
- #37330 
- #38777

---------

Signed-off-by: sagudev <16504129+sagudev@users.noreply.github.com>
Co-authored-by: sagudev <16504129+sagudev@users.noreply.github.com>

components/net/websocket_loader.rs

@@ -48,6 +48,8 @@ use crate::fetch::methods::{
 };
 use crate::hosts::replace_host;
 use crate::http_loader::HttpState;
+
+#[allow(clippy::result_large_err)]
 /// Create a tungstenite Request object for the initial HTTP request.
 /// This request contains `Origin`, `Sec-WebSocket-Protocol`, `Authorization`,
 /// and `Cookie` headers as appropriate.
@@ -105,6 +107,7 @@ fn create_request(
     Ok(request)
 }
 
+#[allow(clippy::result_large_err)]
 /// Process an HTTP response resulting from a WS handshake.
 /// This ensures that any `Cookie` or HSTS headers are recognized.
 /// Returns an error if the protocol selected by the handshake doesn't