[data/release] update release schedule format

The data file format is modified a little to make the next patch release
information more structured. A `note` field is added to the `next` map
to allow for generic information about the next patch release similar to
previous patch releases.

Signed-off-by: Nabarun Pal <pal.nabarun95@gmail.com>

data/releases/schedule.yaml

@@ -3,16 +3,18 @@ schedules:
   releaseDate: 2022-08-23
   maintenanceModeStartDate: 2023-08-28
   endOfLifeDate: 2023-10-27
-  next: 1.25.1
-  cherryPickDeadline: 2022-09-09
-  targetDate: 2022-09-14
+  next:
+    release: 1.25.1
+    cherryPickDeadline: 2022-09-09
+    targetDate: 2022-09-14
 - release: 1.24
   releaseDate: 2022-05-03
   maintenanceModeStartDate: 2023-05-28
   endOfLifeDate: 2023-07-28
-  next: 1.24.5
-  cherryPickDeadline: 2022-09-09
-  targetDate: 2022-09-14
+  next:
+    release: 1.24.5
+    cherryPickDeadline: 2022-09-09
+    targetDate: 2022-09-14
   previousPatches:
     - release: 1.24.4
       cherryPickDeadline: 2022-08-12
@@ -30,9 +32,10 @@ schedules:
   releaseDate: 2021-12-07
   maintenanceModeStartDate: 2022-12-28
   endOfLifeDate: 2023-02-28
-  next: 1.23.11
-  cherryPickDeadline: 2022-09-09
-  targetDate: 2022-09-14
+  next:
+    release: 1.23.11
+    cherryPickDeadline: 2022-09-09
+    targetDate: 2022-09-14
   previousPatches:
     - release: 1.23.10
       cherryPickDeadline: 2022-08-12
@@ -58,7 +61,8 @@ schedules:
     - release: 1.23.3
       cherryPickDeadline: 2022-01-24
       targetDate: 2022-01-25
-      note: "Out-of-Bound Release https://groups.google.com/a/kubernetes.io/g/dev/c/Xl1sm-CItaY"
+      note: >-
+        [Out-of-Bound Release](https://groups.google.com/a/kubernetes.io/g/dev/c/Xl1sm-CItaY)
     - release: 1.23.2
       cherryPickDeadline: 2022-01-14
       targetDate: 2022-01-19
@@ -69,9 +73,10 @@ schedules:
   releaseDate: 2021-08-04
   maintenanceModeStartDate: 2022-08-28
   endOfLifeDate: 2022-10-28
-  next: 1.22.14
-  cherryPickDeadline: 2022-09-09
-  targetDate: 2022-09-14
+  next:
+    release: 1.22.14
+    cherryPickDeadline: 2022-09-09
+    targetDate: 2022-09-14
   previousPatches:
     - release: 1.22.13
       cherryPickDeadline: 2022-08-12