Sort --generate-rcfile output

Author: cdce8p

doc/whatsnew/fragments/7655.other

@@ -0,0 +1,3 @@
+Sort ``--generated-rcfile`` output.
+
+Refs #7655

pylint/config/arguments_manager.py

@@ -437,7 +437,10 @@ def generate_config(
         )
         options_by_section = {}
         sections = []
-        for group in self._arg_parser._action_groups:
+        for group in sorted(
+            self._arg_parser._action_groups,
+            key=lambda x: (x.title != "Main", x.title),
+        ):
             group_name = group.title
             assert group_name
             if group_name in skipsections:
@@ -449,7 +452,7 @@ def generate_config(
                 for i in group._group_actions
                 if not isinstance(i, argparse._SubParsersAction)
             ]
-            for opt in option_actions:
+            for opt in sorted(option_actions, key=lambda x: x.option_strings[0][2:]):
                 if "--help" in opt.option_strings:
                     continue