Anonymize sample logs for privacy in PR #1461

Author: Azlaroc

.tests/sftpgo-logs/sftpgo-logs.log

@@ -3,8 +3,8 @@
 {"level":"debug","time":"2025-09-13T12:14:31.013","sender":"eventmanager","message":"recently updated event rules loaded: 0"}
 {"level":"debug","time":"2025-09-13T12:14:31.013","sender":"eventmanager","message":"event rules updated, fs events: 0, provider events: 0, schedules: 0, ip blocked events: 0, certificate events: 0, IDP login events: 0"}
 {"level":"debug","time":"2025-09-13T12:14:31.013","sender":"dataprovider_sqlite","message":"end user cache check, new update time 2025-09-13 12:14:31.013 -0400 EDT"}
-{"level":"debug","time":"2025-09-13T12:16:35.504","sender":"connection_failed","client_ip":"174.245.92.29","username":"switchgo","login_type":"password","protocol":"SSH","error":"invalid credentials"}
-{"level":"debug","time":"2025-09-13T12:16:35.843","sender":"connection_failed","client_ip":"174.245.92.29","username":"switchgo","login_type":"keyboard-interactive","protocol":"SSH","error":"invalid credentials"}
-{"level":"debug","time":"2025-09-13T12:16:36.014","sender":"sftpd","message":"failed to accept an incoming connection from ip \"174.245.92.29\": ssh: disconnect, reason 11: "}
-{"level":"debug","time":"2025-09-13T12:16:36.014","sender":"connection_failed","client_ip":"174.245.92.29","username":"","login_type":"no_auth_tried","protocol":"SSH","error":"ssh: disconnect, reason 11: "}
-{"level":"debug","time":"2025-09-13T12:16:42.724","sender":"connection_failed","client_ip":"174.245.92.29","username":"switchgo","login_type":"password","protocol":"SSH","error":"invalid credentials"}
+{"level":"debug","time":"2025-09-13T12:16:35.504","sender":"connection_failed","client_ip":"1.2.3.4","username":"bob","login_type":"password","protocol":"SSH","error":"invalid credentials"}
+{"level":"debug","time":"2025-09-13T12:16:35.843","sender":"connection_failed","client_ip":"1.2.3.4","username":"bob","login_type":"keyboard-interactive","protocol":"SSH","error":"invalid credentials"}
+{"level":"debug","time":"2025-09-13T12:16:36.014","sender":"sftpd","message":"failed to accept an incoming connection from ip \"1.2.3.4\": ssh: disconnect, reason 11: "}
+{"level":"debug","time":"2025-09-13T12:16:36.014","sender":"connection_failed","client_ip":"1.2.3.4","username":"","login_type":"no_auth_tried","protocol":"SSH","error":"ssh: disconnect, reason 11: "}
+{"level":"debug","time":"2025-09-13T12:16:42.724","sender":"connection_failed","client_ip":"1.2.3.4","username":"bob","login_type":"password","protocol":"SSH","error":"invalid credentials"}