fix: registered status_reason hook for link liveness

[viniarck]

Closes #110

Summary

See updated changelog file

Local Tests

• Confirmed that status_reason had ["liveness"] on it when it went down:

{
      "id": "4d42dc0852278accac7d9df15418f6d921db160b13d674029a87cef1b5f67f30",
      "endpoint_a": {
        "id": "00:00:00:00:00:00:00:02:3",
        "name": "s2-eth3",
        "port_number": 3,
        "mac": "66:b8:72:6c:e5:29",
        "switch": "00:00:00:00:00:00:00:02",
        "type": "interface",
        "nni": true,
        "uni": false,
        "speed": 1250000000.0,
        "metadata": {},
        "lldp": true,
        "active": true,
        "enabled": true,
        "status": "UP",
        "status_reason": [],
        "link": "4d42dc0852278accac7d9df15418f6d921db160b13d674029a87cef1b5f67f30"
      },
      "endpoint_b": {
        "id": "00:00:00:00:00:00:00:03:2",
        "name": "s3-eth2",
        "port_number": 2,
        "mac": "ce:fe:1c:d8:af:95",
        "switch": "00:00:00:00:00:00:00:03",
        "type": "interface",
        "nni": true,
        "uni": false,
        "speed": 1250000000.0,
        "metadata": {},
        "lldp": true,
        "active": true,
        "enabled": true,
        "status": "UP",
        "status_reason": [],
        "link": "4d42dc0852278accac7d9df15418f6d921db160b13d674029a87cef1b5f67f30"
      },
      "metadata": {
        "last_status_change": 1731004030.0903015,
        "last_status_is_active": true,
        "notified_up_at": "2024-11-07T18:27:20.099067+00:00",
        "liveness_status": "down"
      },
      "active": true,
      "enabled": true,
      "status": "DOWN",
      "status_reason": [
        "liveness"
      ]
    }

End-to-End Tests

with this branch and the new e2e related test:

+ python3 -m pytest tests/ -k test_005_liveness_goes_down --reruns 2 -r fEr
============================= test session starts ==============================
platform linux -- Python 3.11.2, pytest-8.1.1, pluggy-1.5.0
rootdir: /builds/amlight/kytos-end-to-end-tester/kytos-end-to-end-tests
plugins: rerunfailures-13.0, timeout-2.2.0, anyio-4.3.0
collected 267 items / 266 deselected / 1 selected
tests/test_e2e_31_of_lldp.py .                                           [100%]
------------------------------- start/stop times -------------------------------
========== 1 passed, 266 deselected, 35 warnings in 91.46s (0:01:31) ===========