Fix GET_REPAIR "connection time out" ERRORs to be alerted

[bjoerrrn]

"connection time out" ERRORs do not harm the scoring, so they can be ignored like standard traffic timeouts.

Example error:

2024-08-17T18:14:19Z    ERROR   piecestore      download failed {"Process": "storagenode", "Piece ID": "M4AXR6H34WSHO6UYFBYJDPQVZVZTNA3UTPUXOSX5OL54JBNDV3HA", "Satellite ID": "12EayRS2V1kEsWESU9QMRseFhdxYxKicsiFmxrsLZHeLUtdps3S", "Action": "GET_REPAIR", "Offset": 0, "Size": 1159936, "Remote Address": "IP:35536", "error": "write tcp IP:28967->IP:35536: write: connection timed out", "errorVerbose": "write tcp IP:28967->IP:35536: write: connection timed out
...