add change entry for rls removal

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/src/utils/change_tracker.rs

@@ -375,4 +375,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[
 severity:ChangeSeverity::Info,
 summary:"There is now a new `gcc` config section that can be used to download GCC from CI using `gcc.download-ci-gcc = true`",
 },
+ChangeInfo{
+change_id:126856,
+severity:ChangeSeverity::Warning,
+summary:"Removed `src/tools/rls` tool as it was deprecated long time ago.",
+},
 ];