Release 4.5.1

- adapt release notes

Author: mrbean-bremen

CHANGES.md

@@ -3,6 +3,9 @@ The released versions correspond to PyPi releases.
 
 ## Version 4.6.0 (as yet unreleased)
 
+## [Version 4.5.1](https://pypi.python.org/pypi/pyfakefs/4.5.1) (2021-08-29)
+This is a bugfix release.
+
 ### Fixes
 * added handling of path-like where missing
 * improved handling of `str`/`bytes` paths