Prepare for rust stable 1.60 (#11138)

* Prepare for rust stable 1.59

Besides preparing the UI tests this also adds a new script update-rust-stable.sh script for
simplifying the update of a rust stable version. This script will run all UI tests for the new
rust stable version and updating the expected output.

* Ensure we run the UI tests in CI

* use staging ci image

* More test updates

* Unignore test (#11097)

* empty commit for pipeline rerun

* empty commit for pipeline rerun

* Try to make clippy happy

* More clippy fixes

* FMT

* ci image production

Co-authored-by: alvicsam <alvicsam@gmail.com>
Co-authored-by: Alexander Samusev <41779041+alvicsam@users.noreply.github.com>

substrate/client/network/src/service.rs

@@ -572,7 +572,7 @@ impl<B: BlockT + 'static, H: ExHashT> NetworkWorker<B, H> {
 							.collect();
 
 					let endpoint = if let Some(e) =
-						swarm.behaviour_mut().node(peer_id).map(|i| i.endpoint()).flatten()
+						swarm.behaviour_mut().node(peer_id).and_then(|i| i.endpoint())
 					{
 						e.clone().into()
 					} else {