Google Cloud Firestore Python Client

The `google-cloud-firestore` client library provides a Pythonic interface for interacting with Google Cloud Firestore. Firestore is a fully-managed, scalable NoSQL document database for mobile, web, and server development, offering real-time data synchronization and offline support. It is currently at version 2.26.0 and receives regular updates as part of the broader `google-cloud-python` client libraries.