use sys.exit, again

Author: ocasta181

.github/scripts/overwrite_changeset_changelog.py

@@ -100,4 +100,4 @@ def overwrite_changelog_section(changelog_text: str, new_content: str):
 except Exception as e:
     print(f"Error updating changelog: {str(e)}")
     print(f"Current working directory: {os.getcwd()}")
-    exit(1)
+    sys.exit(1)