Bump to 5.2.3 final

Author: AA-Turner

CHANGES

@@ -1,3 +1,10 @@
+Release 5.2.3 (released Sep 30, 2022)
+=====================================
+
+* #10878: Fix base64 image embedding in ``sphinx.ext.imgmath``
+* #10886: Add ``:nocontentsentry:`` flag and global domain table of contents
+  entry control option. Patch by Adam Turner
+
 Release 5.2.2 (released Sep 27, 2022)
 =====================================
 

sphinx/__init__.py

@@ -19,7 +19,7 @@
 warnings.filterwarnings('ignore', 'The frontend.Option class .*',
                         DeprecationWarning, module='docutils.frontend')
 
-__version__ = '5.2.2'
+__version__ = '5.2.3'
 __display_version__ = __version__  # used for command line version
 
 #: Version info for better programmatic use.
@@ -30,7 +30,7 @@
 #:
 #: .. versionadded:: 1.2
 #:    Before version 1.2, check the string ``sphinx.__version__``.
-version_info = (5, 2, 2, 'final', 0)
+version_info = (5, 2, 3, 'final', 0)
 
 package_dir = path.abspath(path.dirname(__file__))