Mask password for Redis and RedisCluster on connection failure

[kesselb]

If redis is password protected and the password is incorrect something like below will end up in the logs. The same error is thrown if the connection is interrupted. This patch will replace the actual password with *** sensitive parameters replaced ***.

{
  "reqId": "rIZRf0kETxwygW3M0rfc",
  "level": 3,
  "time": "2021-07-19T17:47:37+00:00",
  "remoteAddr": "192.168.208.1",
  "user": "--",
  "app": "core",
  "method": "GET",
  "url": "/favicon.ico",
  "message": "WRONGPASS invalid username-password pair or user is disabled.",
  "userAgent": "super client",
  "version": "23.0.0.0",
  "exception": {
    "Exception": "RedisException",
    "Message": "WRONGPASS invalid username-password pair or user is disabled.",
    "Code": 0,
    "Trace": [
      {
        "file": "/var/www/html/lib/private/RedisFactory.php",
        "line": 93,
        "function": "auth",
        "class": "Redis",
        "type": "->",
        "args": [
          "blubblub"
        ]
      },
      {
        "file": "/var/www/html/lib/private/RedisFactory.php",
        "line": 107,
        "function": "create",
        "class": "OC\\RedisFactory",
        "type": "->",
        "args": []
      },
      ........
    ],
    "File": "/var/www/html/lib/private/RedisFactory.php",
    "Line": 93,
    "CustomMessage": "--"
  }
}

[CarlSchwan]

Makes sense :)

[kesselb]

/backport to stable22
/backport to stable21
/backport to stable20

[Pytal]

/backport to stable21

[Pytal]

/backport to stable20