message: Update scribe logs
  ## Description
  > This update creates a clearer message for logs without unnecessary
  information when scribe restores the checkpoint from the latest summary
  state.
diff: @@ -153,7 +153,7 @@ export class ScribeLambdaFactory extends EventEmitter implements IPartitionLambd
  // is okay. Conceptually this is similar to default checkpoint where logOffset is -1. In this case,
  // the sequence number is 'n' rather than '0'.
  lastCheckpoint.logOffset = -1;
  - const checkpointMessage = JSON.stringify(lastCheckpoint);
  + const checkpointMessage = `Restoring checkpoint from latest summary. Seq number: ${lastCheckpoint.sequenceNumber}`;
  context.log?.info(checkpointMessage, { messageMetaData });
  Lumberjack.info(checkpointMessage, getLumberBaseProperties(documentId, tenantId));
  }
  