Add TACACS to dump_auth_config command

[jessicamack]

SUMMARY

dump_auth_config will now also dump TACACS config data.

ISSUE TYPE

• New or Enhanced Feature

COMPONENT NAME

• Other

AWX VERSION

awx: 24.2.1.

ADDITIONAL INFORMATION

if TACACS is not configured

    {
        "TACACS_missing_fields": [
            "HOST",
            "SECRET"
        ]
    }

if TACACS is configured

    {
        "type": "ansible_base.authentication.authenticator_plugins.tacacs",
        "name": "TACACS",
        "enabled": true,
        "create_objects": true,
        "users_unique": false,
        "remove_users": true,
        "configuration": {
            "HOST": "localhost",
            "PORT": 49,
            "AUTH_PROTOCOL": "ascii",
            "REM_ADDR": false,
            "SECRET": "test",
            "SESSION_TIMEOUT": 5
        }
    }

[jessicamack]

Converting to draft because I'll be adding the feedback changes from #15106