docs: Update code freeze and release target date for v2.4

Updated code freeze and release information date for v2.4
release.

Change-Id: I76d5d04d0ee062a350f6a693eb04c29017d8b2e0
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>

docs/about/release-information.rst

@@ -42,7 +42,7 @@ depending on project requirement and partner feedback.
 +-----------------+---------------------------+------------------------------+
 | v2.3            | 4th week of Apr '20       | 1st week of Apr '20          |
 +-----------------+---------------------------+------------------------------+
-| v2.4            | 4th week of Oct '20       | 1st week of Oct '20          |
+| v2.4            | 2nd week of Nov '20       | 4th week of Oct '20          |
 +-----------------+---------------------------+------------------------------+
 
 Removal of Deprecated Interfaces