telemtry: Downgrade spam log to debug (#10201)

This PR downgrade the telemetry warning log to debug.
- The log is causing a lot of noise in our test nets:
https://grafana.teleport.parity.io/goto/fjTQ_vzDg?orgId=1

---------

Signed-off-by: Alexandru Vasile <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: 3 people

prdoc/pr_10201.prdoc

@@ -0,0 +1,9 @@
+title: 'telemtry: Downgrade spam log to debug'
+doc:
+- audience: Node Dev
+  description: |-
+    This PR downgrade the telemetry warning log to debug.
+    - The log is causing a lot of noise in our test nets: https://grafana.teleport.parity.io/goto/fjTQ_vzDg?orgId=1
+crates:
+- name: sc-telemetry
+  bump: patch

substrate/client/telemetry/src/node.rs

@@ -229,7 +229,7 @@ where
 					},
 					Poll::Pending => break NodeSocket::Dialing(s),
 					Poll::Ready(Err(err)) => {
-						log::warn!(target: "telemetry", "❌ Error while dialing {}: {:?}", self.addr, err);
+						log::debug!(target: "telemetry", "❌ Error while dialing {}: {:?}", self.addr, err);
 						socket = NodeSocket::wait_reconnect();
 					},
 				},