#10066 refactor: Apply missing `@override` decorators to first-party state backend implementations Pull request opened by edgarrmondragon Description SSIA Checklist • I have read the contribution guide Was generative AI tooling used to co-author this PR? • Yes (please specify the tool below) Related Issues • Closes #XXXX Summary by Sourcery Annotate first-party state store backend implementations and related methods with explicit override markers for better type checking and clarity. Enhancements: • Add conditional imports for typing.override or typing_extensions.override based on Python version. • Mark cloud storage and filesystem state manager methods and properties as overrides of their base classes. • Mark the database state store get method as an override of the base interface. meltano/meltano