[release] Fix 3.2.4 release date following issue with twine 5.1.0 (#9749)

See pypa/twine#1125

Author: Pierre-Sassoulas

doc/whatsnew/3/3.2/index.rst

@@ -16,7 +16,7 @@ Summary -- Release highlights
 
 What's new in Pylint 3.2.4?
 ---------------------------
-Release date: 2024-06-25
+Release date: 2024-06-26
 
 
 False Positives Fixed