Add RPC timeouts for SystemHeartbeatReq, SystemRecoveryReq and ForceResetStorageReq (#1130)

* Add info

* Fix to 60''

* Add system recovery timeout

* Use seconds

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Co-authored-by: Katarina Supe <[email protected]>

Author: as51340

pages/clustering/high-availability.mdx

@@ -381,6 +381,9 @@ for which the timeout is used is the following:
 - FrequentHeartbeatReq -> coordinator sending to data instances
 - HeartbeatReq -> main sending to replica
 - TimestampReq -> main sending to replica
+- SystemHeartbeatReq -> main sending to replica
+- ForceResetStorageReq -> main sending to replica. The timeout is set to 60s.
+- SystemRecoveryReq -> main sending to replica. The timeout set to 5s.
 
 
 ## Failover