Ignore AttributeError on eventlet import

running on python 3.12, we get this error, we should ignore
it until eventlet is fixed

```
ImportError while loading conftest '/home/runner/work/python-driver/python-driver/tests/integration/conftest.py'.
tests/integration/__init__.py:16: in <module>
    from cassandra.cluster import Cluster
cassandra/cluster.py:103: in init cassandra.cluster
    from cassandra.io.eventletreactor import EventletConnection
cassandra/io/eventletreactor.py:18: in <module>
    import eventlet
.test-venv/lib/python3.12/site-packages/eventlet/__init__.py:17: in <module>
    from eventlet import convenience
.test-venv/lib/python3.12/site-packages/eventlet/convenience.py:7: in <module>
    from eventlet.green import socket
.test-venv/lib/python3.12/site-packages/eventlet/green/socket.py:21: in <module>
    from eventlet.support import greendns
.test-venv/lib/python3.12/site-packages/eventlet/support/greendns.py:45: in <module>
    from eventlet.green import ssl
.test-venv/lib/python3.12/site-packages/eventlet/green/ssl.py:25: in <module>
    _original_wrap_socket = __ssl.wrap_socket
E   AttributeError: module 'ssl' has no attribute 'wrap_socket'
```

Ref: eventlet/eventlet#812

Author: fruch

cassandra/cluster.py

@@ -101,7 +101,7 @@
 
 try:
     from cassandra.io.eventletreactor import EventletConnection
-except ImportError:
+except (ImportError, AttributeError): # AttributeError was add for handling python 3.12 https://github.com/eventlet/eventlet/issues/812
     EventletConnection = None
 
 try:
@@ -115,9 +115,11 @@
 def _is_eventlet_monkey_patched():
     if 'eventlet.patcher' not in sys.modules:
         return False
-    import eventlet.patcher
-    return eventlet.patcher.is_monkey_patched('socket')
-
+    try:
+        import eventlet.patcher
+        return eventlet.patcher.is_monkey_patched('socket')
+    except (ImportError, AttributeError):  # AttributeError was add for handling python 3.12 https://github.com/eventlet/eventlet/issues/812
+        return False
 
 def _is_gevent_monkey_patched():
     if 'gevent.monkey' not in sys.modules: