docs: update release and code freeze dates

Change-Id: I72d200a0cfbcb4ef53b732faa5b7125dce91395d
Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
diff --git a/docs/about/release-information.rst b/docs/about/release-information.rst
index b3553ae..e9eaa80 100644
--- a/docs/about/release-information.rst
+++ b/docs/about/release-information.rst
@@ -48,7 +48,9 @@
 +-----------------+---------------------------+------------------------------+
 | v2.6            | 4th week of Nov '21       | 2nd week of Nov '21          |
 +-----------------+---------------------------+------------------------------+
-| v2.7            | 2nd week of May '22       | 4th week of Apr '22          |
+| v2.7            | 5th week of May '22       | 3rd week of May '22          |
++-----------------+---------------------------+------------------------------+
+| v2.8            | 5th week of Nov '22       | 3rd week of Nov '22          |
 +-----------------+---------------------------+------------------------------+
 
 Removal of Deprecated Interfaces