Fix `server_name` in logging context for multiple Synapse instances in one process #7712

Annotations

11 errors

FAILURE: #678: Inbound federation ignores redactions from invalid servers room > v3

FAILURE: #677: Inbound federation rejects receipts from wrong remote

FAILURE: #586: Wildcard device messages over federation wake up /sync

FAILURE: #582: Device messages over federation wake up /sync

FAILURE: #550: uploading signed devices gets propagated over federation

FAILURE: #549: uploading self-signing key notifies over federation

FAILURE: #526: Local device key changes appear in /keys/changes

FAILURE: #315: remote user has push rules copied to upgraded room

FAILURE: #314: local user has push rules copied to upgraded room

FAILURE: #306: /upgrade creates a new room

Process completed with exit code 1.