Correct error in release date for Sphinx 5.2.1

AA-Turner · AA-Turner · commit 19c278313b9d · 2022-09-27T15:51:46.000+01:00
diff --git a/CHANGES b/CHANGES
@@ -1,4 +1,4 @@
-Release 5.2.1 (released Sep 24, 2022)
+Release 5.2.1 (released Sep 25, 2022)
 =====================================
 
 Bugs fixed
