Update documentation to mention Python 3.14 support

Co-authored-by: fruch <340979+fruch@users.noreply.github.com>

Author: Copilot

README.rst

@@ -20,7 +20,7 @@ Scylla Enterprise (2018.1.x+) using exclusively Cassandra's binary protocol and
 .. image:: https://github.com/scylladb/python-driver/actions/workflows/integration-tests.yml/badge.svg?branch=master
    :target: https://github.com/scylladb/python-driver/actions/workflows/integration-tests.yml?query=event%3Apush+branch%3Amaster
 
-The driver supports Python versions 3.9-3.13.
+The driver supports Python versions 3.9-3.14.
 
 .. **Note:** This driver does not support big-endian systems.
 

docs/index.rst

@@ -4,7 +4,7 @@ A Python client driver for `Scylla <https://docs.scylladb.com>`_.
 This driver works exclusively with the Cassandra Query Language v3 (CQL3)
 and Cassandra's native protocol.
 
-The driver supports Python 3.9-3.13.
+The driver supports Python 3.9-3.14.
 
 This driver is open source under the
 `Apache v2 License <http://www.apache.org/licenses/LICENSE-2.0.html>`_.

docs/installation.rst

@@ -3,7 +3,7 @@ Installation
 
 Supported Platforms
 -------------------
-Python versions 3.9-3.13 are supported. Both CPython (the standard Python
+Python versions 3.9-3.14 are supported. Both CPython (the standard Python
 implementation) and `PyPy <http://pypy.org>`_ are supported and tested.
 
 Linux, OSX, and Windows are supported.