Deprecation Warning for TLS 1.2

[JPHutchins]

Context

• OS and version used: Ubuntu 24.04
• Python version: Python 3.12.3
• pip version: pip 24.2
• list of installed packages: NA
• cloned repo: NA

Description of the issue

Receive deprecation warning from ssl module in the mqtt transport:

.venv/lib/python3.12/site-packages/azure/iot/device/common/mqtt_transport.py:324: DeprecationWarning: ssl.PROTOCOL_TLSv1_2 is deprecated
    ssl_context = ssl.SSLContext(protocol=ssl.PROTOCOL_TLSv1_2)

Unsure if it's any kind of problem or not.