docs: Update telemetry.md with correct url to cosmos telemetry docs (e…

…vmos#1063)

Co-authored-by: Federico Kunze Küllmer <31522760+fedekunze@users.noreply.github.com>

docs/protocol/telemetry.md

@@ -6,7 +6,7 @@ order: 3
 
 Gather relevant insights about the Evmos application and modules with custom metrics and telemetry. {synopsis}
 
-To understand how to use the metrics below, please refer to the [Cosmos SDK telemetry documentation](https://docs.cosmos.network/master/core/telemetry.html).
+To understand how to use the metrics below, please refer to the [Cosmos SDK telemetry documentation](https://docs.cosmos.network/main/core/telemetry.html).
 
 ## Supported Metrics