Skip hanging SSH tests on Windows (#9115)

Author: jacobtomlinson

distributed/deploy/tests/test_old_ssh.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import sys
 from time import sleep
 
 import pytest
@@ -10,6 +11,11 @@
 from distributed.deploy.old_ssh import SSHCluster
 from distributed.metrics import time
 
+# https://github.com/dask/distributed/issues/9114
+pytestmark = pytest.mark.skipif(
+    sys.platform == "win32", reason="Hangs on Windows in CI"
+)
+
 
 @pytest.mark.avoid_ci
 def test_cluster(loop):