Prepare release.

CHANGES.rst

@@ -4,8 +4,6 @@ Changes
 7.3 (unreleased)
 ----------------
 
-- Allow to use the package with Python 3.13 -- Caution: No security
-  audit has been done so far.
 - Increase the safety level of ``safer_getattr`` allowing applications to use
   it as ``getattr`` implementation. Such use should now follow the same policy
   and give the same level of protection as direct attribute access in an

setup.py

@@ -65,7 +65,7 @@ def read(*rnames):
       packages=find_packages('src'),
       package_dir={'': 'src'},
       install_requires=[],
-      python_requires=">=3.7, <3.14",
+      python_requires=">=3.7, <3.13",
       extras_require={
           'test': tests_require,
           'docs': ['Sphinx', 'sphinx_rtd_theme'],