fix(jenkins): pin kubernetes version to fix recent breakage in tests

Author: james-garner-canonical

setup.py

@@ -31,7 +31,7 @@
         'pyasn1>=0.4.4',
         'toposort>=1.5,<2',
         'typing_inspect>=0.6.0',
-        'kubernetes>=12.0.1',
+        'kubernetes>=12.0.1,<31.0.0',
         'hvac',
         'packaging',
     ],

tox.ini

@@ -38,7 +38,7 @@ deps =
     pytest-xdist
     Twine
     websockets
-    kubernetes
+    kubernetes<31.0.0
     hvac
     packaging
     setuptools