patch releases: add 1.22 release to the schedule

Signed-off-by: Carlos Panato <[email protected]>

Author: cpanato

content/en/releases/patch-releases.md

@@ -80,12 +80,22 @@ releases may also occur in between these.
 | --------------------- | -------------------- | ----------- |
 | August 2021           | 2021-08-07           | 2021-08-11  |
 | September 2021        | 2021-09-10           | 2021-09-15  |
-| October 2021          | 2021-10-08           | 2021-10-13  |
+| October 2021          | 2021-10-15           | 2021-10-20  |
 | November 2021         | 2021-11-12           | 2021-11-17  |
 | December 2021         | 2021-12-10           | 2021-12-15  |
 
 ## Detailed Release History for Active Branches
 
+### 1.22
+
+**1.22** enters maintenance mode on **2022-08-28**
+
+End of Life for **1.22** is **2022-10-28**
+
+| PATCH RELEASE | CHERRY PICK DEADLINE | TARGET DATE | NOTE |
+|---------------|----------------------|-------------|------|
+| 1.22.1        | 2021-08-16           | 2021-08-19  |      |
+
 ### 1.21
 
 **1.21** enters maintenance mode on **2022-04-28**

data/releases/schedule.yaml

@@ -1,4 +1,10 @@
 schedules:
+- release: 1.22
+  next: 1.22.1
+  cherryPickDeadline: 2021-08-16
+  targetDate: 2021-08-19
+  endOfLifeDate: 2022-10-28
+  previousPatches:
 - release: 1.21
   next: 1.21.4
   cherryPickDeadline: 2021-08-07