Update 2.12 roadmap for schedule change (#75350)

docs/docsite/rst/roadmap/ROADMAP_2_12.rst

@@ -18,16 +18,16 @@ PRs must be raised well in advance of the dates below to have a chance of being
 .. note:: There is no Alpha phase in 2.12.
 .. note:: Dates subject to change.
 
-- 2021-08-30 Feature Freeze
+- 2021-09-24 Feature Freeze
   No new functionality (including modules/plugins) to any code
 
-- 2021-09-13 Beta 1
-- 2021-09-20 Beta 2 (if necessary)
+- 2021-09-27 Beta 1
+- 2021-10-04 Beta 2 (if necessary)
 
-- 2021-10-04 Release Candidate 1 (and ``stable-2.12`` branching from ``devel``)
-- 2021-10-11 Release Candidate 2 (if necessary)
+- 2021-10-18 Release Candidate 1 (and ``stable-2.12`` branching from ``devel``)
+- 2021-10-25 Release Candidate 2 (if necessary)
 
-- 2021-10-25 Release
+- 2021-11-08 Release
 
 Release Manager
 ---------------
@@ -41,4 +41,10 @@ Planned work
 - Deprecate Python 2.6 support for managed/target hosts. The release of ``ansible-core==2.13`` will remove Python 2.6 support.
 - Introduce split-controller testing in ``ansible-test`` to separate dependencies for the controller from dependencies on the target.
 - Extend the functionality of ``module_defaults`` ``action_groups`` to be created and presented by collections.
+
+Delayed work
+============
+
+The following work has been delayed and retargeted for a future release
+
 - Implement object proxies, to expose restricted interfaces between parts of the code, and enable deprecations of attributes and variables.