ssh remoting: Forward LSP logs to client (#19212)

Release Notes:

- N/A

---------

Co-authored-by: Bennet Bo Fenner <bennet@zed.dev>

crates/proto/src/proto.rs

@@ -366,6 +366,7 @@ messages!(
     (CheckFileExistsResponse, Background),
     (ShutdownRemoteServer, Foreground),
     (RemoveWorktree, Foreground),
+    (LanguageServerLog, Foreground),
 );
 
 request_messages!(
@@ -562,6 +563,7 @@ entity_messages!(
     LspExtSwitchSourceHeader,
     UpdateUserSettings,
     CheckFileExists,
+    LanguageServerLog,
 );
 
 entity_messages!(