Add one more week to the Gerrit v3.3 release plan

The Gerrit v3.3 release plan is amended to include one week
of extra E2E testing, right before the final "release week".

Change-Id: Ic72defaf189423348de8a24314eb6ad2868ae74c
diff --git a/_posts/2020-09-07-gerrit-3.3-release-plan.md b/_posts/2020-09-07-gerrit-3.3-release-plan.md
index 95221d2..0eea644 100644
--- a/_posts/2020-09-07-gerrit-3.3-release-plan.md
+++ b/_posts/2020-09-07-gerrit-3.3-release-plan.md
@@ -19,8 +19,10 @@
 | Oct 19    | Release `3.3.0-rc2`                                |
 | Oct 26    | Release `3.3.0-rc3`                                |
 | Nov 2     | Release `3.3.0-rc4`                                |
-| Nov 2-6   | "Release week" (see below)                         |
-| Nov 9     | Final release of `3.3.0`                           |
+| Nov 2-6   | Extra E2E testing week                             |
+| Nov 9     | Release `3.3.0-rc5`                                |
+| Nov 9-13  | "Release week" (see below)                         |
+| Nov 16    | Final release of `3.3.0`                           |
 
 ## Change Acceptance Policy for the Stable Branch
 
@@ -46,7 +48,7 @@
 the release with the cooperation of all the maintainers.
 
 We will ask the community members to allocate some of their time during the
-"release week" (2-6 Nov) to help with finalizing the release:
+"release week" (9-13 Nov) to help with finalizing the release:
 
 - test the release candidates
 - report issues