Setting Kubecon 2022 NA banner to show on 2022-09-23

Signed-off-by: Nate W <[email protected]>

Author: nate-double-u

data/announcements/scheduled.yaml

@@ -118,7 +118,7 @@ announcements:
     May 16 - 20, 2022.
 
 - name: Kubecon 2022 NA
-  startTime: 2022-10-17T00:00:00 # Added in https://github.com/kubernetes/website/pull/36107 
+  startTime: 2022-09-23T00:00:00 # Added in https://github.com/kubernetes/website/pull/36107 
   endTime: 2022-10-29T00:00:00
   style: >-
     background: linear-gradient(135deg,rgb(2,3,129) 0%,rgb(114,114,255) 100%);