docs: prepare version 0.18.0

Author: Rogdham

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 All notable changes to this project will be documented in this file.
 
-## Unreleased
+## 0.18.0 (October 5, 2025)
 
 - Support for Python 3.14
 - Deprecate the `read_size` and `write_size` parameters of `ZstdFile` and `SeekableZstdFile`

src/__init__.py

@@ -75,7 +75,7 @@
     from typing_extensions import deprecated
 
 
-__version__ = '0.17.0'
+__version__ = '0.18.0'
 
 __doc__ = '''\
 Python bindings to Zstandard (zstd) compression library, the API style is