Add airflow config lint cli command for lint the configuration ch…

…anges from Airflow 2.x to Airflow 3.0 (apache#44908)

* Add ``airflow config lint`` cli command for linting the configuration changes from Airflow 2.x to Airflow 3.0

* Fix doc-string for ConfigChange init

* Add option for multiple sections and options

Add newsfragments

* Refactor RenamedTo to ConfigParameter

rename newfragment as feature

* Add more tests with mocked env variables

* Remove duplicate config changes

airflow/cli/cli_config.py

@@ -857,6 +857,27 @@ def string_lower_type(val):
     ("option",),
     help="The option name",
 )
+
+ARG_LINT_CONFIG_SECTION = Arg(
+    ("--section",),
+    help="The section name(s) to lint in the airflow config.",
+    type=string_list_type,
+)
+ARG_LINT_CONFIG_OPTION = Arg(
+    ("--option",),
+    help="The option name(s) to lint in the airflow config.",
+    type=string_list_type,
+)
+ARG_LINT_CONFIG_IGNORE_SECTION = Arg(
+    ("--ignore-section",),
+    help="The section name(s) to ignore to lint in the airflow config.",
+    type=string_list_type,
+)
+ARG_LINT_CONFIG_IGNORE_OPTION = Arg(
+    ("--ignore-option",),
+    help="The option name(s) to ignore to lint in the airflow config.",
+    type=string_list_type,
+)
 ARG_OPTIONAL_SECTION = Arg(
     ("--section",),
     help="The section name",
@@ -1733,6 +1754,18 @@ class GroupCommand(NamedTuple):
             ARG_VERBOSE,
         ),
     ),
+    ActionCommand(
+        name="lint",
+        help="lint options for the configuration changes while migrating from Airflow 2.x to Airflow 3.0",
+        func=lazy_load_command("airflow.cli.commands.remote_commands.config_command.lint_config"),
+        args=(
+            ARG_LINT_CONFIG_SECTION,
+            ARG_LINT_CONFIG_OPTION,
+            ARG_LINT_CONFIG_IGNORE_SECTION,
+            ARG_LINT_CONFIG_IGNORE_OPTION,
+            ARG_VERBOSE,
+        ),
+    ),
 )
 
 JOBS_COMMANDS = (