fix(rollback): use == instead of is for boolean check in execute_roll… (#1207)

* fix(rollback): use == instead of is for boolean check in execute_rollback_version_files

Signed-off-by: Nitesh <nitesh@example.com>

* fix(rollback): fix indentation in execute_rollback_version_files and add license header

Signed-off-by: Nitesh <nitesh@example.com>

---------

Signed-off-by: Nitesh <nitesh@example.com>
Co-authored-by: Nitesh <nitesh@example.com>
Co-authored-by: Paige Patton <64206430+paigerube14@users.noreply.github.com>

krkn/rollback/handler.py

@@ -1,3 +1,19 @@
+#!/usr/bin/env python
+#
+# Copyright 2025 The Krkn Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 from __future__ import annotations
 
 import logging
@@ -132,8 +148,8 @@ def execute_rollback_version_files(
     :param ignore_auto_rollback_config: Flag to ignore auto rollback configuration. Will be set to True for manual execute-rollback calls.
     """
     if not ignore_auto_rollback_config and RollbackConfig().auto is False:
-            logger.warning(f"Auto rollback is disabled, skipping execution for run_uuid={run_uuid or '*'}, scenario_type={scenario_type or '*'}")
-            return
+        logger.warning(f"Auto rollback is disabled, skipping execution for run_uuid={run_uuid or '*'}, scenario_type={scenario_type or '*'}")
+        return
 
     # Get the rollback versions directory
     version_files = RollbackConfig.search_rollback_version_files(run_uuid, scenario_type)