Update docs

Author: scaramallion

docs/changelog/v2.1.0.rst

@@ -32,6 +32,6 @@ Changes
 .......
 
 * Dropped support for Python 3.7, 3.8 and 3.9
-* Added support for Python 3.12
+* Added support for Python 3.11 and 3.12
 * With `Python 3.10 requiring OpenSSL v1.1.1 or newer
   <https://peps.python.org/pep-0644/>`_, TLS v1.3 is now officially supported

pynetdicom/transport.py

@@ -14,6 +14,8 @@
 
     _HAS_SSL = True
 except ImportError:
+    # NOTE: Must check `_HAS_SSL` before all use of `ssl` module
+    #   and must use "ssl.SSLContext" in type hints
     _HAS_SSL = False
 import threading
 from typing import TYPE_CHECKING, Any, cast, Callable, Optional