Corrected GA dates in freeze plan

Change-Id: Ieb58bca6a9573a46837013dd9ad2a799afb3c579
Signed-off-by: Sravan Kumar Lakkimsetti <sravankumarl@in.ibm.com>

development/plans/freeze_plan_4_22.php

diff --git a/development/plans/freeze_plan_4_22.php b/development/plans/freeze_plan_4_22.php
index 3589314..2175064 100644
--- a/development/plans/freeze_plan_4_22.php
+++ b/development/plans/freeze_plan_4_22.php
@@ -202,7 +202,7 @@
 	
 			<strong>2021-12 (4.22) Release</strong>
 			<p>The 2021-12 (4.22) release should be complete and available for download by 
-	              September 15, 2021 as part of the <a href="https://wiki.eclipse.org/Category:SimRel-2021-12">2021-12 Simultaneous Release</a>. If product teams intending 
+	              December 8, 2021 as part of the <a href="https://wiki.eclipse.org/Category:SimRel-2021-12">2021-12 Simultaneous Release</a>. If product teams intending 
 	              to ship on 2021-12 (4.22) uncover further serious defects during the endgame, 
 	              we may schedule additional release candidate builds to incorporate fixes.
 			</p>    

development/plans/freeze_plan_4_23.php

diff --git a/development/plans/freeze_plan_4_23.php b/development/plans/freeze_plan_4_23.php
index 8c8b6da..4d3c230 100644
--- a/development/plans/freeze_plan_4_23.php
+++ b/development/plans/freeze_plan_4_23.php
@@ -199,7 +199,7 @@
 	
 			<strong>2022-03 (4.23) Release</strong>
 			<p>The 2022-03 (4.23) release should be complete and available for download by 
-	              September 15, 2021 as part of the <a href="https://wiki.eclipse.org/Category:SimRel-2022-03">2022-03 Simultaneous Release</a>. If product teams intending 
+	              March 16, 2022 as part of the <a href="https://wiki.eclipse.org/Category:SimRel-2022-03">2022-03 Simultaneous Release</a>. If product teams intending 
 	              to ship on 2022-03 (4.23) uncover further serious defects during the endgame, 
 	              we may schedule additional release candidate builds to incorporate fixes.
 			</p>