Lower deposit finalization error to warning (#3739)
Lower deposit finalization error to warning (#3739)

## Issue Addressed

Partially addresses #3707

## Proposed Changes

Drop `ERRO` log to `WARN` until we identify the exact conditions that lead to this case.

Add a message which hopefully reassures users who only see this log once :sweat_smile: 

Add the block hash to the error message in case it will prove useful in debugging the root cause.





sigp/lighthouse,sigp/lighthouse,sigp/lighthouse,sigp/lighthouse