Fix "looking for maintainer" link

crates/egui_plot/README.md

@@ -8,4 +8,4 @@
 
 Immediate mode plotting for [`egui`](https://github.com/emilk/egui).
 
-[**Looking for a maintainer!**](https://github.com/rerun-io/rerun/issues/6629)
+[**Looking for a maintainer!**](https://github.com/emilk/egui/issues/4705)

crates/egui_plot/src/lib.rs

@@ -2,7 +2,7 @@
 //!
 //! Check out [`Plot`] for how to get started.
 //!
-//! [**Looking for maintainer!**](https://github.com/rerun-io/rerun/issues/6629)
+//! [**Looking for maintainer!**](https://github.com/emilk/egui/issues/4705)
 //!
 //! ## Feature flags
 #![cfg_attr(feature = "document-features", doc = document_features::document_features!())]