chore(helm): update image docker.io/modem7/newyearcountdown digest to 6dc923e (#40687)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/modem7/newyearcountdown | digest | `855ac11` -> `6dc923e` |

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charts/stable/newyearcountdownclock/Chart.yaml

@@ -40,5 +40,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/newyearcountdownclock
   - https://hub.docker.com/r/modem7/newyearcountdown
 type: application
-version: 8.9.0
+version: 8.9.1
 

charts/stable/newyearcountdownclock/values.yaml

@@ -1,7 +1,7 @@
 image:
   pullPolicy: IfNotPresent
   repository: docker.io/modem7/newyearcountdown
-  tag: latest@sha256:855ac11a388ec0db858880db461e7befd2eaba125fb45157f7a486313abf941e
+  tag: latest@sha256:6dc923e8f6ab4d9815bf91a7fe1492c82af06f2ff816086b469b5eba87a4080f
 persistence: {}
 
 securityContext: