Fix deps compatibility, increase tests coverage i(#3233)

* Compatibility with python-json-logger>=3.1

After refactoring the old API is still working, but producing warnings
and pyright also fails.

Besides that improve coverage of watchdog/base.py and ctl.py

* Stick to ubuntu 22.04

* Please pyright

tests/test_ctl.py

@@ -399,6 +399,13 @@ class TestCtl(unittest.TestCase):
         result = self.runner.invoke(ctl, ctl_args, input='y')
         assert result.exit_code == 0
 
+        ctl_args = ['restart', 'alpha', '--pg-version', '99.0', '--pending', '--scheduled', '2300-10-01T14:30']
+        # normal restart, the schedule is actually parsed, but not validated in patronictl
+        mock_post.return_value.status = 200
+        result = self.runner.invoke(ctl, ctl_args, input='y')
+        assert result.exit_code == 0
+        assert 'might be different from the ones' in result.output
+
         # get restart with the non-200 return code
         # normal restart, the schedule is actually parsed, but not validated in patronictl
         mock_post.return_value.status = 204

tests/test_log.py

@@ -13,9 +13,13 @@ from patroni.config import Config
 from patroni.log import PatroniLogger
 
 try:
-    from pythonjsonlogger import jsonlogger
+    try:
+        from pythonjsonlogger import json as jsonlogger
+    except ImportError:
+        from pythonjsonlogger import jsonlogger
+
+        jsonlogger.JsonFormatter(None, None, rename_fields={}, static_fields={})
 
-    jsonlogger.JsonFormatter(None, None, rename_fields={}, static_fields={})
     json_formatter_is_available = True
 
     import json  # we need json.loads() function
@@ -274,6 +278,7 @@ class TestPatroniLogger(unittest.TestCase):
         with self.assertLogs() as captured_log:
             logger = PatroniLogger()
             pythonjsonlogger = Mock()
+            pythonjsonlogger.json.JsonFormatter = Mock(side_effect=Exception)
             pythonjsonlogger.jsonlogger.JsonFormatter = Mock(side_effect=Exception)
             with patch('builtins.__import__', Mock(return_value=pythonjsonlogger)):
                 logger.reload_config({'type': 'json'})